2500615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 3580416

約数和(自身を除く): 1079801

約数列:

[1, 5, 13, 17, 31, 65, 73, 85, 155, 221, 365, 403, 527, 949, 1105, 1241, 2015, 2263, 2635, 4745, 6205, 6851, 11315, 16133, 29419, 34255, 38471, 80665, 147095, 192355, 500123, 2500615]

約数ペア:

[(1, 2500615), (5, 500123), (13, 192355), (17, 147095), (31, 80665), (65, 38471), (73, 34255), (85, 29419), (155, 16133), (221, 11315), (365, 6851), (403, 6205), (527, 4745), (949, 2635), (1105, 2263), (1241, 2015)]