820425697

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{40429}}^1$

素因数の和:40672

約数の個数: 16

約数和(自身を含む): 1014307840

約数和(自身を除く): 193882143

約数列:

[1, 7, 13, 91, 223, 1561, 2899, 20293, 40429, 283003, 525577, 3679039, 9015667, 63109669, 117203671, 820425697]

約数ペア:

[(1, 820425697), (7, 117203671), (13, 63109669), (91, 9015667), (223, 3679039), (1561, 525577), (2899, 283003), (20293, 40429)]