17916925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1901}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 24764040

約数和(自身を除く): 6847115

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 1901, 9425, 9505, 24713, 47525, 55129, 123565, 275645, 617825, 716677, 1378225, 3583385, 17916925]

約数ペア:

[(1, 17916925), (5, 3583385), (13, 1378225), (25, 716677), (29, 617825), (65, 275645), (145, 123565), (325, 55129), (377, 47525), (725, 24713), (1885, 9505), (1901, 9425)]