64071865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89611}}^1$

素因数の和:89640

約数の個数: 16

約数和(自身を含む): 90328896

約数和(自身を除く): 26257031

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 89611, 448055, 985721, 1164943, 4928605, 5824715, 12814373, 64071865]

約数ペア:

[(1, 64071865), (5, 12814373), (11, 5824715), (13, 4928605), (55, 1164943), (65, 985721), (143, 448055), (715, 89611)]