641664122

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1451}}^1\times {\mathrm{20101}}^1$

素因数の和:21565

約数の個数: 16

約数和(自身を含む): 1050771744

約数和(自身を除く): 409107622

約数列:

[1, 2, 11, 22, 1451, 2902, 15961, 20101, 31922, 40202, 221111, 442222, 29166551, 58333102, 320832061, 641664122]

約数ペア:

[(1, 641664122), (2, 320832061), (11, 58333102), (22, 29166551), (1451, 442222), (2902, 221111), (15961, 40202), (20101, 31922)]