7871988

素因数分解:

$2^2\times 3^1\times {\mathrm{211}}^1\times {\mathrm{3109}}^1$

素因数の和:3327

約数の個数: 24

約数和(自身を含む): 18460960

約数和(自身を除く): 10588972

約数列:

[1, 2, 3, 4, 6, 12, 211, 422, 633, 844, 1266, 2532, 3109, 6218, 9327, 12436, 18654, 37308, 655999, 1311998, 1967997, 2623996, 3935994, 7871988]

約数ペア:

[(1, 7871988), (2, 3935994), (3, 2623996), (4, 1967997), (6, 1311998), (12, 655999), (211, 37308), (422, 18654), (633, 12436), (844, 9327), (1266, 6218), (2532, 3109)]