68686828

素因数分解:

$2^2\times 7^2\times {\mathrm{350443}}^1$

素因数の和:350461

約数の個数: 18

約数和(自身を含む): 139827156

約数和(自身を除く): 71140328

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 350443, 700886, 1401772, 2453101, 4906202, 9812404, 17171707, 34343414, 68686828]

約数ペア:

[(1, 68686828), (2, 34343414), (4, 17171707), (7, 9812404), (14, 4906202), (28, 2453101), (49, 1401772), (98, 700886), (196, 350443)]