8880221

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{1427}}^1$

素因数の和:1568

約数の個数: 12

約数和(自身を含む): 10418688

約数和(自身を除く): 1538467

約数列:

[1, 7, 49, 127, 889, 1427, 6223, 9989, 69923, 181229, 1268603, 8880221]

約数ペア:

[(1, 8880221), (7, 1268603), (49, 181229), (127, 69923), (889, 9989), (1427, 6223)]