81168752

素因数分解:

$2^4\times 7^1\times {\mathrm{724721}}^1$

素因数の和:724736

約数の個数: 20

約数和(自身を含む): 179731056

約数和(自身を除く): 98562304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724721, 1449442, 2898884, 5073047, 5797768, 10146094, 11595536, 20292188, 40584376, 81168752]

約数ペア:

[(1, 81168752), (2, 40584376), (4, 20292188), (7, 11595536), (8, 10146094), (14, 5797768), (16, 5073047), (28, 2898884), (56, 1449442), (112, 724721)]