12656945

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2719}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 18604800

約数和(自身を除く): 5947855

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 2719, 4655, 13595, 19033, 51661, 95165, 133231, 258305, 361627, 666155, 1808135, 2531389, 12656945]

約数ペア:

[(1, 12656945), (5, 2531389), (7, 1808135), (19, 666155), (35, 361627), (49, 258305), (95, 133231), (133, 95165), (245, 51661), (665, 19033), (931, 13595), (2719, 4655)]