80936828

素因数分解:

$2^2\times 7^2\times {\mathrm{412943}}^1$

素因数の和:412961

約数の個数: 18

約数和(自身を含む): 164764656

約数和(自身を除く): 83827828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 412943, 825886, 1651772, 2890601, 5781202, 11562404, 20234207, 40468414, 80936828]

約数ペア:

[(1, 80936828), (2, 40468414), (4, 20234207), (7, 11562404), (14, 5781202), (28, 2890601), (49, 1651772), (98, 825886), (196, 412943)]