80861956

素因数分解:

$2^2\times 7^2\times {\mathrm{412561}}^1$

素因数の和:412579

約数の個数: 18

約数和(自身を含む): 164612238

約数和(自身を除く): 83750282

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 412561, 825122, 1650244, 2887927, 5775854, 11551708, 20215489, 40430978, 80861956]

約数ペア:

[(1, 80861956), (2, 40430978), (4, 20215489), (7, 11551708), (14, 5775854), (28, 2887927), (49, 1650244), (98, 825122), (196, 412561)]