281010925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21089}}^1$

素因数の和:21153

約数の個数: 24

約数和(自身を含む): 384428520

約数和(自身を除く): 103417595

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 13325, 21089, 105445, 274157, 527225, 864649, 1370785, 4323245, 6853925, 11240437, 21616225, 56202185, 281010925]

約数ペア:

[(1, 281010925), (5, 56202185), (13, 21616225), (25, 11240437), (41, 6853925), (65, 4323245), (205, 1370785), (325, 864649), (533, 527225), (1025, 274157), (2665, 105445), (13325, 21089)]