818440129

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2521}}^1$

素因数の和:2677

約数の個数: 24

約数和(自身を含む): 947051352

約数和(自身を除く): 128611223

約数列:

[1, 13, 17, 113, 169, 221, 1469, 1921, 2521, 2873, 19097, 24973, 32773, 42857, 284873, 324649, 426049, 557141, 3703349, 4842841, 7242833, 48143537, 62956933, 818440129]

約数ペア:

[(1, 818440129), (13, 62956933), (17, 48143537), (113, 7242833), (169, 4842841), (221, 3703349), (1469, 557141), (1921, 426049), (2521, 324649), (2873, 284873), (19097, 42857), (24973, 32773)]