13931290

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12781}}^1$

素因数の和:12897

約数の個数: 16

約数和(自身を含む): 25308360

約数和(自身を除く): 11377070

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 12781, 25562, 63905, 127810, 1393129, 2786258, 6965645, 13931290]

約数ペア:

[(1, 13931290), (2, 6965645), (5, 2786258), (10, 1393129), (109, 127810), (218, 63905), (545, 25562), (1090, 12781)]