4155319

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 5056000

約数和(自身を除く): 900681

約数列:

[1, 7, 19, 133, 157, 199, 1099, 1393, 2983, 3781, 20881, 26467, 31243, 218701, 593617, 4155319]

約数ペア:

[(1, 4155319), (7, 593617), (19, 218701), (133, 31243), (157, 26467), (199, 20881), (1099, 3781), (1393, 2983)]