816257065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{20353}}^1$

素因数の和:20988

約数の個数: 16

約数和(自身を含む): 1056616848

約数和(自身を除く): 240359783

約数列:

[1, 5, 13, 65, 617, 3085, 8021, 20353, 40105, 101765, 264589, 1322945, 12557801, 62789005, 163251413, 816257065]

約数ペア:

[(1, 816257065), (5, 163251413), (13, 62789005), (65, 12557801), (617, 1322945), (3085, 264589), (8021, 101765), (20353, 40105)]