8905975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 12099920

約数和(自身を除く): 3193945

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 409, 871, 1675, 2045, 4355, 5317, 10225, 21775, 26585, 27403, 132925, 137015, 356239, 685075, 1781195, 8905975]

約数ペア:

[(1, 8905975), (5, 1781195), (13, 685075), (25, 356239), (65, 137015), (67, 132925), (325, 27403), (335, 26585), (409, 21775), (871, 10225), (1675, 5317), (2045, 4355)]