31261042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1579}}^1$

素因数の和:2121

約数の個数: 16

約数和(自身を含む): 49485600

約数和(自身を除く): 18224558

約数列:

[1, 2, 19, 38, 521, 1042, 1579, 3158, 9899, 19798, 30001, 60002, 822659, 1645318, 15630521, 31261042]

約数ペア:

[(1, 31261042), (2, 15630521), (19, 1645318), (38, 822659), (521, 60002), (1042, 30001), (1579, 19798), (3158, 9899)]