2489825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 3416448

約数和(自身を除く): 926623

約数列:

[1, 5, 13, 25, 47, 65, 163, 235, 325, 611, 815, 1175, 2119, 3055, 4075, 7661, 10595, 15275, 38305, 52975, 99593, 191525, 497965, 2489825]

約数ペア:

[(1, 2489825), (5, 497965), (13, 191525), (25, 99593), (47, 52975), (65, 38305), (163, 15275), (235, 10595), (325, 7661), (611, 4075), (815, 3055), (1175, 2119)]