68216291

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2551}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 85532832

約数和(自身を除く): 17316541

約数列:

[1, 11, 13, 17, 121, 143, 187, 221, 1573, 2057, 2431, 2551, 26741, 28061, 33163, 43367, 308671, 364793, 477037, 563771, 4012723, 5247407, 6201481, 68216291]

約数ペア:

[(1, 68216291), (11, 6201481), (13, 5247407), (17, 4012723), (121, 563771), (143, 477037), (187, 364793), (221, 308671), (1573, 43367), (2057, 33163), (2431, 28061), (2551, 26741)]