388617089

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{417419}}^1$

素因数の和:417452

約数の個数: 12

約数和(自身を含む): 475858800

約数和(自身を除く): 87241711

約数列:

[1, 7, 19, 49, 133, 931, 417419, 2921933, 7930961, 20453531, 55516727, 388617089]

約数ペア:

[(1, 388617089), (7, 55516727), (19, 20453531), (49, 7930961), (133, 2921933), (931, 417419)]