318089525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2393}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 425988360

約数和(自身を除く): 107898835

約数列:

[1, 5, 13, 25, 65, 325, 409, 2045, 2393, 5317, 10225, 11965, 26585, 31109, 59825, 132925, 155545, 777725, 978737, 4893685, 12723581, 24468425, 63617905, 318089525]

約数ペア:

[(1, 318089525), (5, 63617905), (13, 24468425), (25, 12723581), (65, 4893685), (325, 978737), (409, 777725), (2045, 155545), (2393, 132925), (5317, 59825), (10225, 31109), (11965, 26585)]