Divisors of 13888: All 28 Factors

Quick Answer

13888 has 28 divisors (factors): 1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888.

Sum: 32512.

Divisors (Factors) Calculator


  Ex.: 12, 36, 100, 1024, 1728, etc.
28 divisors
1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888

Use the calculator above to find all divisors (also called factors) of any positive integer up to 4,782,969. Beyond the divisor list, this tool also shows divisor pairs, the sum and count of divisors, prime factorization, and number properties (prime, perfect square, perfect number).

All Divisors of 13888

The number 13888 has 28 divisors:

1,  2,  4,  7,  8,  14,  16,  28,  31,  32,  56,  62,  64,  112,  124,  217,  224,  248,  434,  448,  496,  868,  992,  1736,  1984,  3472,  6944,  13888

Divisor Pairs of 13888

Each pair multiplies to 13888:

Factor 1×Factor 2=Product
1×13888=13888
2×6944=13888
4×3472=13888
7×1984=13888
8×1736=13888
14×992=13888
16×868=13888
28×496=13888
31×448=13888
32×434=13888
56×248=13888
62×224=13888
64×217=13888
112×124=13888

Number of Divisors

The number 13888 has 28 divisors, written as τ(13888) = 28 in number theory.

Sum of Divisors

σ(13888) = 1 + 2 + 4 + 7 + 8 + 14 + 16 + 28 + 31 + 32 + 56 + 62 + 64 + 112 + 124 + 217 + 224 + 248 + 434 + 448 + 496 + 868 + 992 + 1736 + 1984 + 3472 + 6944 + 13888 = 32512

Properties of 13888

  • 13888 is composite.
  • 13888 is not a perfect square.
  • Number of divisors: 28.
  • Sum of divisors: 32512.

Common Divisors with Another Number?

Looking for the divisors that 13888 shares with another number? Use our Greatest Common Factor (GCF) calculator — it finds all common divisors and the largest one.

Step-by-Step: How to Find the Divisors of 13888

An efficient way to find divisors uses the complementary pair trick: check each integer i from 1 to √13888 ≈ 117.85. If i divides 13888, then both i and 13888/i are divisors.

  1. 1 divides 13888 (13888 ÷ 1 = 13888) → pair (1, 13888)
  2. 2 divides 13888 (13888 ÷ 2 = 6944) → pair (2, 6944)
  3. 4 divides 13888 (13888 ÷ 4 = 3472) → pair (4, 3472)
  4. 7 divides 13888 (13888 ÷ 7 = 1984) → pair (7, 1984)
  5. 8 divides 13888 (13888 ÷ 8 = 1736) → pair (8, 1736)
  6. 14 divides 13888 (13888 ÷ 14 = 992) → pair (14, 992)
  7. 16 divides 13888 (13888 ÷ 16 = 868) → pair (16, 868)
  8. 28 divides 13888 (13888 ÷ 28 = 496) → pair (28, 496)
  9. 31 divides 13888 (13888 ÷ 31 = 448) → pair (31, 448)
  10. 32 divides 13888 (13888 ÷ 32 = 434) → pair (32, 434)
  11. 56 divides 13888 (13888 ÷ 56 = 248) → pair (56, 248)
  12. 62 divides 13888 (13888 ÷ 62 = 224) → pair (62, 224)
  13. 64 divides 13888 (13888 ÷ 64 = 217) → pair (64, 217)
  14. 112 divides 13888 (13888 ÷ 112 = 124) → pair (112, 124)
  15. Collect all unique values: {1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888} — total 28 divisors.
  16. Sum: 1 + 2 + 4 + 7 + 8 + 14 + 16 + 28 + 31 + 32 + 56 + 62 + 64 + 112 + 124 + 217 + 224 + 248 + 434 + 448 + 496 + 868 + 992 + 1736 + 1984 + 3472 + 6944 + 13888 = 32512.

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Related Operations for 13888

What Is a Divisor?

A divisor (also called a factor) of a positive integer n is any positive integer d such that n ÷ d has no remainder. In other words, d divides n evenly.

Every positive integer n has at least two divisors: 1 and n itself (with 1 being the trivial case of having only itself). Numbers with exactly 2 divisors are prime; numbers with 3 or more divisors are composite.

Why use this calculator? Beyond just listing divisors, this tool computes the sum σ(n), the count τ(n), prime factorization, divisor pairs (useful for visual learners and factoring problems), and detects whether n is a prime, a perfect square, or a perfect number.

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