2560197843

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{81439}}^1$

素因数の和:81951

約数の個数: 24

約数和(自身を含む): 4234880000

約数和(自身を除く): 1674682157

約数列:

[1, 3, 7, 9, 21, 63, 499, 1497, 3493, 4491, 10479, 31437, 81439, 244317, 570073, 732951, 1710219, 5130657, 40638061, 121914183, 284466427, 365742549, 853399281, 2560197843]

約数ペア:

[(1, 2560197843), (3, 853399281), (7, 365742549), (9, 284466427), (21, 121914183), (63, 40638061), (499, 5130657), (1497, 1710219), (3493, 732951), (4491, 570073), (10479, 244317), (31437, 81439)]