12716665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6311}}^1$

素因数の和:6360

約数の個数: 16

約数和(自身を含む): 16966656

約数和(自身を除く): 4249991

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 6311, 31555, 82043, 195641, 410215, 978205, 2543333, 12716665]

約数ペア:

[(1, 12716665), (5, 2543333), (13, 978205), (31, 410215), (65, 195641), (155, 82043), (403, 31555), (2015, 6311)]