64720895

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2843}}^1$

素因数の和:3034

約数の個数: 16

約数和(自身を含む): 80883360

約数和(自身を除く): 16162465

約数列:

[1, 5, 29, 145, 157, 785, 2843, 4553, 14215, 22765, 82447, 412235, 446351, 2231755, 12944179, 64720895]

約数ペア:

[(1, 64720895), (5, 12944179), (29, 2231755), (145, 446351), (157, 412235), (785, 82447), (2843, 22765), (4553, 14215)]