81258556

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{1583}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 146228544

約数和(自身を除く): 64969988

約数列:

[1, 2, 4, 41, 82, 164, 313, 626, 1252, 1583, 3166, 6332, 12833, 25666, 51332, 64903, 129806, 259612, 495479, 990958, 1981916, 20314639, 40629278, 81258556]

約数ペア:

[(1, 81258556), (2, 40629278), (4, 20314639), (41, 1981916), (82, 990958), (164, 495479), (313, 259612), (626, 129806), (1252, 64903), (1583, 51332), (3166, 25666), (6332, 12833)]