28720216

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11927}}^1$

素因数の和:11983

約数の個数: 32

約数和(自身を含む): 62979840

約数和(自身を除く): 34259624

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 11927, 23854, 47708, 83489, 95416, 166978, 333956, 512861, 667912, 1025722, 2051444, 3590027, 4102888, 7180054, 14360108, 28720216]

約数ペア:

[(1, 28720216), (2, 14360108), (4, 7180054), (7, 4102888), (8, 3590027), (14, 2051444), (28, 1025722), (43, 667912), (56, 512861), (86, 333956), (172, 166978), (301, 95416), (344, 83489), (602, 47708), (1204, 23854), (2408, 11927)]