12686635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2749}}^1$

素因数の和:2838

約数の個数: 16

約数和(自身を含む): 16632000

約数和(自身を除く): 3945365

約数列:

[1, 5, 13, 65, 71, 355, 923, 2749, 4615, 13745, 35737, 178685, 195179, 975895, 2537327, 12686635]

約数ペア:

[(1, 12686635), (5, 2537327), (13, 975895), (65, 195179), (71, 178685), (355, 35737), (923, 13745), (2749, 4615)]