7871225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 10460640

約数和(自身を除く): 2589415

約数列:

[1, 5, 19, 25, 73, 95, 227, 365, 475, 1135, 1387, 1825, 4313, 5675, 6935, 16571, 21565, 34675, 82855, 107825, 314849, 414275, 1574245, 7871225]

約数ペア:

[(1, 7871225), (5, 1574245), (19, 414275), (25, 314849), (73, 107825), (95, 82855), (227, 34675), (365, 21565), (475, 16571), (1135, 6935), (1387, 5675), (1825, 4313)]