65720291

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1801}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 81133248

約数和(自身を除く): 15412957

約数列:

[1, 7, 13, 91, 401, 1801, 2807, 5213, 12607, 23413, 36491, 163891, 722201, 5055407, 9388613, 65720291]

約数ペア:

[(1, 65720291), (7, 9388613), (13, 5055407), (91, 722201), (401, 163891), (1801, 36491), (2807, 23413), (5213, 12607)]