1640574741

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2214001}}^1$

素因数の和:2214036

約数の個数: 16

約数和(自身を含む): 2479682240

約数和(自身を除く): 839107499

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 2214001, 6642003, 28782013, 42066019, 86346039, 126198057, 546858247, 1640574741]

約数ペア:

[(1, 1640574741), (3, 546858247), (13, 126198057), (19, 86346039), (39, 42066019), (57, 28782013), (247, 6642003), (741, 2214001)]