31399810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241537}}^1$

素因数の和:241557

約数の個数: 16

約数和(自身を含む): 60867576

約数和(自身を除く): 29467766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241537, 483074, 1207685, 2415370, 3139981, 6279962, 15699905, 31399810]

約数ペア:

[(1, 31399810), (2, 15699905), (5, 6279962), (10, 3139981), (13, 2415370), (26, 1207685), (65, 483074), (130, 241537)]