12857467

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 15296512

約数和(自身を除く): 2439045

約数列:

[1, 7, 31, 193, 217, 307, 1351, 2149, 5983, 9517, 41881, 59251, 66619, 414757, 1836781, 12857467]

約数ペア:

[(1, 12857467), (7, 1836781), (31, 414757), (193, 66619), (217, 59251), (307, 41881), (1351, 9517), (2149, 5983)]