664475619

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{85091}}^1$

素因数の和:85250

約数の個数: 16

約数和(自身を含む): 939415680

約数和(自身を除く): 274940061

約数列:

[1, 3, 19, 57, 137, 411, 2603, 7809, 85091, 255273, 1616729, 4850187, 11657467, 34972401, 221491873, 664475619]

約数ペア:

[(1, 664475619), (3, 221491873), (19, 34972401), (57, 11657467), (137, 4850187), (411, 1616729), (2603, 255273), (7809, 85091)]