389906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:529

約数の個数: 16

約数和(自身を含む): 656640

約数和(自身を除く): 266734

約数列:

[1, 2, 11, 22, 37, 74, 407, 479, 814, 958, 5269, 10538, 17723, 35446, 194953, 389906]

約数ペア:

[(1, 389906), (2, 194953), (11, 35446), (22, 17723), (37, 10538), (74, 5269), (407, 958), (479, 814)]