81263924

素因数分解:

$2^2\times 7^1\times {\mathrm{1471}}^1\times {\mathrm{1973}}^1$

素因数の和:3455

約数の個数: 24

約数和(自身を含む): 162720768

約数和(自身を除く): 81456844

約数列:

[1, 2, 4, 7, 14, 28, 1471, 1973, 2942, 3946, 5884, 7892, 10297, 13811, 20594, 27622, 41188, 55244, 2902283, 5804566, 11609132, 20315981, 40631962, 81263924]

約数ペア:

[(1, 81263924), (2, 40631962), (4, 20315981), (7, 11609132), (14, 5804566), (28, 2902283), (1471, 55244), (1973, 41188), (2942, 27622), (3946, 20594), (5884, 13811), (7892, 10297)]