1490354257

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{498613}}^1$

素因数の和:498688

約数の個数: 12

約数和(自身を含む): 1762101876

約数和(自身を除く): 271747619

約数列:

[1, 7, 49, 61, 427, 2989, 498613, 3490291, 24432037, 30415393, 212907751, 1490354257]

約数ペア:

[(1, 1490354257), (7, 212907751), (49, 30415393), (61, 24432037), (427, 3490291), (2989, 498613)]