667066673

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2957}}^1$

素因数の和:3081

約数の個数: 32

約数和(自身を含む): 856068864

約数和(自身を除く): 189002191

約数列:

[1, 7, 13, 37, 67, 91, 259, 469, 481, 871, 2479, 2957, 3367, 6097, 17353, 20699, 32227, 38441, 109409, 198119, 225589, 269087, 765863, 1386833, 1422317, 2575547, 7330403, 9956219, 18028829, 51312821, 95295239, 667066673]

約数ペア:

[(1, 667066673), (7, 95295239), (13, 51312821), (37, 18028829), (67, 9956219), (91, 7330403), (259, 2575547), (469, 1422317), (481, 1386833), (871, 765863), (2479, 269087), (2957, 225589), (3367, 198119), (6097, 109409), (17353, 38441), (20699, 32227)]