31187569

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 38623200

約数和(自身を除く): 7435631

約数列:

[1, 7, 19, 49, 133, 139, 241, 931, 973, 1687, 2641, 4579, 6811, 11809, 18487, 32053, 33499, 129409, 224371, 234493, 636481, 1641451, 4455367, 31187569]

約数ペア:

[(1, 31187569), (7, 4455367), (19, 1641451), (49, 636481), (133, 234493), (139, 224371), (241, 129409), (931, 33499), (973, 32053), (1687, 18487), (2641, 11809), (4579, 6811)]