1338821855

素因数分解:

$5^1\times 7^2\times {\mathrm{5464579}}^1$

素因数の和:5464598

約数の個数: 12

約数和(自身を含む): 1868886360

約数和(自身を除く): 530064505

約数列:

[1, 5, 7, 35, 49, 245, 5464579, 27322895, 38252053, 191260265, 267764371, 1338821855]

約数ペア:

[(1, 1338821855), (5, 267764371), (7, 191260265), (35, 38252053), (49, 27322895), (245, 5464579)]