81284104

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21481}}^1$

素因数の和:21541

約数の個数: 32

約数和(自身を含む): 170137440

約数和(自身を除く): 88853336

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 21481, 42962, 85924, 171848, 236291, 472582, 923683, 945164, 1847366, 1890328, 3694732, 7389464, 10160513, 20321026, 40642052, 81284104]

約数ペア:

[(1, 81284104), (2, 40642052), (4, 20321026), (8, 10160513), (11, 7389464), (22, 3694732), (43, 1890328), (44, 1847366), (86, 945164), (88, 923683), (172, 472582), (344, 236291), (473, 171848), (946, 85924), (1892, 42962), (3784, 21481)]