67680956

素因数分解:

$2^2\times 7^2\times {\mathrm{345311}}^1$

素因数の和:345329

約数の個数: 18

約数和(自身を含む): 137779488

約数和(自身を除く): 70098532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 345311, 690622, 1381244, 2417177, 4834354, 9668708, 16920239, 33840478, 67680956]

約数ペア:

[(1, 67680956), (2, 33840478), (4, 16920239), (7, 9668708), (14, 4834354), (28, 2417177), (49, 1381244), (98, 690622), (196, 345311)]