685043716

素因数分解:

$2^2\times 7^4\times {\mathrm{71329}}^1$

素因数の和:71361

約数の個数: 30

約数和(自身を含む): 1398567310

約数和(自身を除く): 713523594

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 71329, 142658, 285316, 499303, 998606, 1997212, 3495121, 6990242, 13980484, 24465847, 48931694, 97863388, 171260929, 342521858, 685043716]

約数ペア:

[(1, 685043716), (2, 342521858), (4, 171260929), (7, 97863388), (14, 48931694), (28, 24465847), (49, 13980484), (98, 6990242), (196, 3495121), (343, 1997212), (686, 998606), (1372, 499303), (2401, 285316), (4802, 142658), (9604, 71329)]