289643335

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{2797}}^1$

素因数の和:3090

約数の個数: 16

約数和(自身を含む): 352548000

約数和(自身を除く): 62904665

約数列:

[1, 5, 139, 149, 695, 745, 2797, 13985, 20711, 103555, 388783, 416753, 1943915, 2083765, 57928667, 289643335]

約数ペア:

[(1, 289643335), (5, 57928667), (139, 2083765), (149, 1943915), (695, 416753), (745, 388783), (2797, 103555), (13985, 20711)]