1557103690

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2552629}}^1$

素因数の和:2552697

約数の個数: 16

約数和(自身を含む): 2848735080

約数和(自身を除く): 1291631390

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 2552629, 5105258, 12763145, 25526290, 155710369, 311420738, 778551845, 1557103690]

約数ペア:

[(1, 1557103690), (2, 778551845), (5, 311420738), (10, 155710369), (61, 25526290), (122, 12763145), (305, 5105258), (610, 2552629)]