28491775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3023}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 10880705

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 3023, 9425, 15115, 39299, 75575, 87667, 196495, 438335, 982475, 1139671, 2191675, 5698355, 28491775]

約数ペア:

[(1, 28491775), (5, 5698355), (13, 2191675), (25, 1139671), (29, 982475), (65, 438335), (145, 196495), (325, 87667), (377, 75575), (725, 39299), (1885, 15115), (3023, 9425)]