28147625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{1861}}^1$

素因数の和:1898

約数の個数: 24

約数和(自身を含む): 38632776

約数和(自身を除く): 10485151

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 1375, 1861, 3025, 9305, 15125, 20471, 46525, 102355, 225181, 232625, 511775, 1125905, 2558875, 5629525, 28147625]

約数ペア:

[(1, 28147625), (5, 5629525), (11, 2558875), (25, 1125905), (55, 511775), (121, 232625), (125, 225181), (275, 102355), (605, 46525), (1375, 20471), (1861, 15125), (3025, 9305)]