64693915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{90481}}^1$

素因数の和:90510

約数の個数: 16

約数和(自身を含む): 91205856

約数和(自身を除く): 26511941

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 90481, 452405, 995291, 1176253, 4976455, 5881265, 12938783, 64693915]

約数ペア:

[(1, 64693915), (5, 12938783), (11, 5881265), (13, 4976455), (55, 1176253), (65, 995291), (143, 452405), (715, 90481)]