2021756485

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{649039}}^1$

素因数の和:649140

約数の個数: 16

約数和(自身を含む): 2803852800

約数和(自身を除く): 782096315

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 649039, 3245195, 4543273, 22716365, 57764471, 288822355, 404351297, 2021756485]

約数ペア:

[(1, 2021756485), (5, 404351297), (7, 288822355), (35, 57764471), (89, 22716365), (445, 4543273), (623, 3245195), (3115, 649039)]