12821488897

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{894793}}^1$

素因数の和:894912

約数の個数: 16

約数和(自身を含む): 15462040320

約数和(自身を除く): 2640551423

約数列:

[1, 7, 23, 89, 161, 623, 2047, 14329, 894793, 6263551, 20580239, 79636577, 144061673, 557456039, 1831641271, 12821488897]

約数ペア:

[(1, 12821488897), (7, 1831641271), (23, 557456039), (89, 144061673), (161, 79636577), (623, 20580239), (2047, 6263551), (14329, 894793)]