61278425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 82208280

約数和(自身を除く): 20929855

約数列:

[1, 5, 13, 25, 65, 325, 409, 461, 2045, 2305, 5317, 5993, 10225, 11525, 26585, 29965, 132925, 149825, 188549, 942745, 2451137, 4713725, 12255685, 61278425]

約数ペア:

[(1, 61278425), (5, 12255685), (13, 4713725), (25, 2451137), (65, 942745), (325, 188549), (409, 149825), (461, 132925), (2045, 29965), (2305, 26585), (5317, 11525), (5993, 10225)]