690748565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{26501}}^1$

素因数の和:26920

約数の個数: 16

約数和(自身を含む): 894919536

約数和(自身を除く): 204170971

約数列:

[1, 5, 13, 65, 401, 2005, 5213, 26065, 26501, 132505, 344513, 1722565, 10626901, 53134505, 138149713, 690748565]

約数ペア:

[(1, 690748565), (5, 138149713), (13, 53134505), (65, 10626901), (401, 1722565), (2005, 344513), (5213, 132505), (26065, 26501)]