31460757970

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{1575401}}^1$

素因数の和:1577405

約数の個数: 16

約数和(自身を含む): 56657757528

約数和(自身を除く): 25196999558

約数列:

[1, 2, 5, 10, 1997, 3994, 9985, 19970, 1575401, 3150802, 7877005, 15754010, 3146075797, 6292151594, 15730378985, 31460757970]

約数ペア:

[(1, 31460757970), (2, 15730378985), (5, 6292151594), (10, 3146075797), (1997, 15754010), (3994, 7877005), (9985, 3150802), (19970, 1575401)]