397280735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{8971}}^1$

素因数の和:9514

約数の個数: 16

約数和(自身を含む): 505805472

約数和(自身を除く): 108524737

約数列:

[1, 5, 17, 85, 521, 2605, 8857, 8971, 44285, 44855, 152507, 762535, 4673891, 23369455, 79456147, 397280735]

約数ペア:

[(1, 397280735), (5, 79456147), (17, 23369455), (85, 4673891), (521, 762535), (2605, 152507), (8857, 44855), (8971, 44285)]