389079938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{404449}}^1$

素因数の和:404501

約数の個数: 16

約数和(自身を含む): 645502200

約数和(自身を除く): 256422262

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 404449, 808898, 5257837, 10515674, 14964613, 29929226, 194539969, 389079938]

約数ペア:

[(1, 389079938), (2, 194539969), (13, 29929226), (26, 14964613), (37, 10515674), (74, 5257837), (481, 808898), (962, 404449)]