128040808

素因数分解:

$2^3\times 7^1\times {\mathrm{2286443}}^1$

素因数の和:2286456

約数の個数: 16

約数和(自身を含む): 274373280

約数和(自身を除く): 146332472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2286443, 4572886, 9145772, 16005101, 18291544, 32010202, 64020404, 128040808]

約数ペア:

[(1, 128040808), (2, 64020404), (4, 32010202), (7, 18291544), (8, 16005101), (14, 9145772), (28, 4572886), (56, 2286443)]