28421968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 57015200

約数和(自身を除く): 28593232

約数列:

[1, 2, 4, 8, 16, 43, 86, 109, 172, 218, 344, 379, 436, 688, 758, 872, 1516, 1744, 3032, 4687, 6064, 9374, 16297, 18748, 32594, 37496, 41311, 65188, 74992, 82622, 130376, 165244, 260752, 330488, 660976, 1776373, 3552746, 7105492, 14210984, 28421968]

約数ペア:

[(1, 28421968), (2, 14210984), (4, 7105492), (8, 3552746), (16, 1776373), (43, 660976), (86, 330488), (109, 260752), (172, 165244), (218, 130376), (344, 82622), (379, 74992), (436, 65188), (688, 41311), (758, 37496), (872, 32594), (1516, 18748), (1744, 16297), (3032, 9374), (4687, 6064)]