16848725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 22320000

約数和(自身を除く): 5471275

約数列:

[1, 5, 19, 25, 79, 95, 395, 449, 475, 1501, 1975, 2245, 7505, 8531, 11225, 35471, 37525, 42655, 177355, 213275, 673949, 886775, 3369745, 16848725]

約数ペア:

[(1, 16848725), (5, 3369745), (19, 886775), (25, 673949), (79, 213275), (95, 177355), (395, 42655), (449, 37525), (475, 35471), (1501, 11225), (1975, 8531), (2245, 7505)]