81856012

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{6397}}^1$

素因数の和:6865

約数の個数: 24

約数和(自身を含む): 164095904

約数和(自身を除く): 82239892

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1828, 3199, 6397, 6398, 12794, 12796, 25588, 44779, 89558, 179116, 2923429, 5846858, 11693716, 20464003, 40928006, 81856012]

約数ペア:

[(1, 81856012), (2, 40928006), (4, 20464003), (7, 11693716), (14, 5846858), (28, 2923429), (457, 179116), (914, 89558), (1828, 44779), (3199, 25588), (6397, 12796), (6398, 12794)]