397996885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{556639}}^1$

素因数の和:556668

約数の個数: 16

約数和(自身を含む): 561093120

約数和(自身を除く): 163096235

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 556639, 2783195, 6123029, 7236307, 30615145, 36181535, 79599377, 397996885]

約数ペア:

[(1, 397996885), (5, 79599377), (11, 36181535), (13, 30615145), (55, 7236307), (65, 6123029), (143, 2783195), (715, 556639)]