71757217

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{63671}}^1$

素因数の和:63708

約数の個数: 12

約数和(自身を含む): 87103296

約数和(自身を除く): 15346079

約数列:

[1, 7, 23, 49, 161, 1127, 63671, 445697, 1464433, 3119879, 10251031, 71757217]

約数ペア:

[(1, 71757217), (7, 10251031), (23, 3119879), (49, 1464433), (161, 445697), (1127, 63671)]