28265575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 39060000

約数和(自身を除く): 10794425

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 2999, 9425, 14995, 38987, 74975, 86971, 194935, 434855, 974675, 1130623, 2174275, 5653115, 28265575]

約数ペア:

[(1, 28265575), (5, 5653115), (13, 2174275), (25, 1130623), (29, 974675), (65, 434855), (145, 194935), (325, 86971), (377, 74975), (725, 38987), (1885, 14995), (2999, 9425)]