557109889

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1304707}}^1$

素因数の和:1304775

約数の個数: 8

約数和(自身を含む): 647135168

約数和(自身を除く): 90025279

約数列:

[1, 7, 61, 427, 1304707, 9132949, 79587127, 557109889]

約数ペア:

[(1, 557109889), (7, 79587127), (61, 9132949), (427, 1304707)]