681604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2213}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 1487808

約数和(自身を除く): 806204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2213, 4426, 8852, 15491, 24343, 30982, 48686, 61964, 97372, 170401, 340802, 681604]

約数ペア:

[(1, 681604), (2, 340802), (4, 170401), (7, 97372), (11, 61964), (14, 48686), (22, 30982), (28, 24343), (44, 15491), (77, 8852), (154, 4426), (308, 2213)]