81168556

素因数分解:

$2^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{4729}}^1$

素因数の和:5353

約数の個数: 24

約数和(自身を含む): 162636320

約数和(自身を除く): 81467764

約数列:

[1, 2, 4, 7, 14, 28, 613, 1226, 2452, 4291, 4729, 8582, 9458, 17164, 18916, 33103, 66206, 132412, 2898877, 5797754, 11595508, 20292139, 40584278, 81168556]

約数ペア:

[(1, 81168556), (2, 40584278), (4, 20292139), (7, 11595508), (14, 5797754), (28, 2898877), (613, 132412), (1226, 66206), (2452, 33103), (4291, 18916), (4729, 17164), (8582, 9458)]