648614405

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{5471}}^1$

素因数の和:5788

約数の個数: 16

約数和(自身を含む): 788755968

約数和(自身を除く): 140141563

約数列:

[1, 5, 131, 181, 655, 905, 5471, 23711, 27355, 118555, 716701, 990251, 3583505, 4951255, 129722881, 648614405]

約数ペア:

[(1, 648614405), (5, 129722881), (131, 4951255), (181, 3583505), (655, 990251), (905, 716701), (5471, 118555), (23711, 27355)]