28619525

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{9461}}^1$

素因数の和:9493

約数の個数: 18

約数和(自身を含む): 39011826

約数和(自身を除く): 10392301

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 9461, 47305, 104071, 236525, 520355, 1144781, 2601775, 5723905, 28619525]

約数ペア:

[(1, 28619525), (5, 5723905), (11, 2601775), (25, 1144781), (55, 520355), (121, 236525), (275, 104071), (605, 47305), (3025, 9461)]