81554084

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{497281}}^1$

素因数の和:497326

約数の個数: 12

約数和(自身を含む): 146200908

約数和(自身を除く): 64646824

約数列:

[1, 2, 4, 41, 82, 164, 497281, 994562, 1989124, 20388521, 40777042, 81554084]

約数ペア:

[(1, 81554084), (2, 40777042), (4, 20388521), (41, 1989124), (82, 994562), (164, 497281)]