81534458

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{20789}}^1$

素因数の和:20881

約数の個数: 16

約数和(自身を含む): 127983240

約数和(自身を除く): 46448782

約数列:

[1, 2, 37, 53, 74, 106, 1961, 3922, 20789, 41578, 769193, 1101817, 1538386, 2203634, 40767229, 81534458]

約数ペア:

[(1, 81534458), (2, 40767229), (37, 2203634), (53, 1538386), (74, 1101817), (106, 769193), (1961, 41578), (3922, 20789)]