12959665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 16228800

約数和(自身を除く): 3269135

約数列:

[1, 5, 29, 139, 145, 643, 695, 3215, 4031, 18647, 20155, 89377, 93235, 446885, 2591933, 12959665]

約数ペア:

[(1, 12959665), (5, 2591933), (29, 446885), (139, 93235), (145, 89377), (643, 20155), (695, 18647), (3215, 4031)]