12817217

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 15325440

約数和(自身を除く): 2508223

約数列:

[1, 7, 29, 103, 203, 613, 721, 2987, 4291, 17777, 20909, 63139, 124439, 441973, 1831031, 12817217]

約数ペア:

[(1, 12817217), (7, 1831031), (29, 441973), (103, 124439), (203, 63139), (613, 20909), (721, 17777), (2987, 4291)]