13934221

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 16583680

約数和(自身を除く): 2649459

約数列:

[1, 7, 31, 157, 217, 409, 1099, 2863, 4867, 12679, 34069, 64213, 88753, 449491, 1990603, 13934221]

約数ペア:

[(1, 13934221), (7, 1990603), (31, 449491), (157, 88753), (217, 64213), (409, 34069), (1099, 12679), (2863, 4867)]