2991037

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 3688960

約数和(自身を除く): 697923

約数列:

[1, 7, 19, 43, 133, 301, 523, 817, 3661, 5719, 9937, 22489, 69559, 157423, 427291, 2991037]

約数ペア:

[(1, 2991037), (7, 427291), (19, 157423), (43, 69559), (133, 22489), (301, 9937), (523, 5719), (817, 3661)]