2791400005

素因数分解:

$5^1\times {\mathrm{89}}^2\times {\mathrm{70481}}^1$

素因数の和:70664

約数の個数: 12

約数和(自身を含む): 3387787812

約数和(自身を除く): 596387807

約数列:

[1, 5, 89, 445, 7921, 39605, 70481, 352405, 6272809, 31364045, 558280001, 2791400005]

約数ペア:

[(1, 2791400005), (5, 558280001), (89, 31364045), (445, 6272809), (7921, 352405), (39605, 70481)]