210825925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2351}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 278232192

約数和(自身を除く): 67406267

約数列:

[1, 5, 17, 25, 85, 211, 425, 1055, 2351, 3587, 5275, 11755, 17935, 39967, 58775, 89675, 199835, 496061, 999175, 2480305, 8433037, 12401525, 42165185, 210825925]

約数ペア:

[(1, 210825925), (5, 42165185), (17, 12401525), (25, 8433037), (85, 2480305), (211, 999175), (425, 496061), (1055, 199835), (2351, 89675), (3587, 58775), (5275, 39967), (11755, 17935)]