80144818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{18911}}^1$

素因数の和:19089

約数の個数: 16

約数和(自身を含む): 130265856

約数和(自身を除く): 50121038

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 18911, 37822, 245843, 491686, 3082493, 6164986, 40072409, 80144818]

約数ペア:

[(1, 80144818), (2, 40072409), (13, 6164986), (26, 3082493), (163, 491686), (326, 245843), (2119, 37822), (4238, 18911)]