39891764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{82421}}^1$

素因数の和:82447

約数の個数: 18

約数和(自身を含む): 76734882

約数和(自身を除く): 36843118

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 82421, 164842, 329684, 906631, 1813262, 3626524, 9972941, 19945882, 39891764]

約数ペア:

[(1, 39891764), (2, 19945882), (4, 9972941), (11, 3626524), (22, 1813262), (44, 906631), (121, 329684), (242, 164842), (484, 82421)]