25471615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12641}}^1$

素因数の和:12690

約数の個数: 16

約数和(自身を含む): 33981696

約数和(自身を除く): 8510081

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 12641, 63205, 164333, 391871, 821665, 1959355, 5094323, 25471615]

約数ペア:

[(1, 25471615), (5, 5094323), (13, 1959355), (31, 821665), (65, 391871), (155, 164333), (403, 63205), (2015, 12641)]