390423242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199399}}^1$

素因数の和:199501

約数の個数: 16

約数和(自身を含む): 646056000

約数和(自身を除く): 255632758

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 199399, 398798, 2193389, 4386778, 17746511, 35493022, 195211621, 390423242]

約数ペア:

[(1, 390423242), (2, 195211621), (11, 35493022), (22, 17746511), (89, 4386778), (178, 2193389), (979, 398798), (1958, 199399)]