390974974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{54287}}^1$

素因数の和:54579

約数の個数: 16

約数和(自身を含む): 633866688

約数和(自身を除く): 242891714

約数列:

[1, 2, 13, 26, 277, 554, 3601, 7202, 54287, 108574, 705731, 1411462, 15037499, 30074998, 195487487, 390974974]

約数ペア:

[(1, 390974974), (2, 195487487), (13, 30074998), (26, 15037499), (277, 1411462), (554, 705731), (3601, 108574), (7202, 54287)]