81863795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{34039}}^1$

素因数の和:34094

約数の個数: 16

約数和(自身を含む): 108655680

約数和(自身を除く): 26791885

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 34039, 170195, 442507, 1259443, 2212535, 6297215, 16372759, 81863795]

約数ペア:

[(1, 81863795), (5, 16372759), (13, 6297215), (37, 2212535), (65, 1259443), (185, 442507), (481, 170195), (2405, 34039)]