12880465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2880

約数の個数: 16

約数和(自身を含む): 16886016

約数和(自身を除く): 4005551

約数列:

[1, 5, 13, 65, 71, 355, 923, 2791, 4615, 13955, 36283, 181415, 198161, 990805, 2576093, 12880465]

約数ペア:

[(1, 12880465), (5, 2576093), (13, 990805), (65, 198161), (71, 181415), (355, 36283), (923, 13955), (2791, 4615)]