290462879

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{2179}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 336940800

約数和(自身を除く): 46477921

約数列:

[1, 7, 137, 139, 959, 973, 2179, 15253, 19043, 133301, 298523, 302881, 2089661, 2120167, 41494697, 290462879]

約数ペア:

[(1, 290462879), (7, 41494697), (137, 2120167), (139, 2089661), (959, 302881), (973, 298523), (2179, 133301), (15253, 19043)]