81640748

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{7817}}^1$

素因数の和:8201

約数の個数: 24

約数和(自身を含む): 163740192

約数和(自身を除く): 82099444

約数列:

[1, 2, 4, 7, 14, 28, 373, 746, 1492, 2611, 5222, 7817, 10444, 15634, 31268, 54719, 109438, 218876, 2915741, 5831482, 11662964, 20410187, 40820374, 81640748]

約数ペア:

[(1, 81640748), (2, 40820374), (4, 20410187), (7, 11662964), (14, 5831482), (28, 2915741), (373, 218876), (746, 109438), (1492, 54719), (2611, 31268), (5222, 15634), (7817, 10444)]