12128675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 16467696

約数和(自身を除く): 4339021

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 557, 871, 1675, 2785, 4355, 7241, 13925, 21775, 36205, 37319, 181025, 186595, 485147, 932975, 2425735, 12128675]

約数ペア:

[(1, 12128675), (5, 2425735), (13, 932975), (25, 485147), (65, 186595), (67, 181025), (325, 37319), (335, 36205), (557, 21775), (871, 13925), (1675, 7241), (2785, 4355)]