81275216

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{41981}}^1$

素因数の和:42011

約数の個数: 30

約数和(自身を含む): 173091786

約数和(自身を除く): 91816570

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 41981, 83962, 167924, 335848, 461791, 671696, 923582, 1847164, 3694328, 5079701, 7388656, 10159402, 20318804, 40637608, 81275216]

約数ペア:

[(1, 81275216), (2, 40637608), (4, 20318804), (8, 10159402), (11, 7388656), (16, 5079701), (22, 3694328), (44, 1847164), (88, 923582), (121, 671696), (176, 461791), (242, 335848), (484, 167924), (968, 83962), (1936, 41981)]