64681565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7159}}^1$

素因数の和:7316

約数の個数: 16

約数和(自身を含む): 84201600

約数和(自身を除く): 19520035

約数列:

[1, 5, 13, 65, 139, 695, 1807, 7159, 9035, 35795, 93067, 465335, 995101, 4975505, 12936313, 64681565]

約数ペア:

[(1, 64681565), (5, 12936313), (13, 4975505), (65, 995101), (139, 465335), (695, 93067), (1807, 35795), (7159, 9035)]