81651684

素因数分解:

$2^2\times 3^1\times {\mathrm{313}}^1\times {\mathrm{21739}}^1$

素因数の和:22059

約数の個数: 24

約数和(自身を含む): 191138080

約数和(自身を除く): 109486396

約数列:

[1, 2, 3, 4, 6, 12, 313, 626, 939, 1252, 1878, 3756, 21739, 43478, 65217, 86956, 130434, 260868, 6804307, 13608614, 20412921, 27217228, 40825842, 81651684]

約数ペア:

[(1, 81651684), (2, 40825842), (3, 27217228), (4, 20412921), (6, 13608614), (12, 6804307), (313, 260868), (626, 130434), (939, 86956), (1252, 65217), (1878, 43478), (3756, 21739)]