157458217

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{74731}}^1$

素因数の和:74788

約数の個数: 12

約数和(自身を含む): 187427856

約数和(自身を除く): 29969639

約数列:

[1, 7, 43, 49, 301, 2107, 74731, 523117, 3213433, 3661819, 22494031, 157458217]

約数ペア:

[(1, 157458217), (7, 22494031), (43, 3661819), (49, 3213433), (301, 523117), (2107, 74731)]