399191444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{22543}}^1$

素因数の和:22799

約数の個数: 24

約数和(自身を含む): 738541440

約数和(自身を除く): 339349996

約数列:

[1, 2, 4, 19, 38, 76, 233, 466, 932, 4427, 8854, 17708, 22543, 45086, 90172, 428317, 856634, 1713268, 5252519, 10505038, 21010076, 99797861, 199595722, 399191444]

約数ペア:

[(1, 399191444), (2, 199595722), (4, 99797861), (19, 21010076), (38, 10505038), (76, 5252519), (233, 1713268), (466, 856634), (932, 428317), (4427, 90172), (8854, 45086), (17708, 22543)]