28120148

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27143}}^1$

素因数の和:27191

約数の個数: 24

約数和(自身を含む): 57762432

約数和(自身を除く): 29642284

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 27143, 54286, 108572, 190001, 380002, 760004, 1004291, 2008582, 4017164, 7030037, 14060074, 28120148]

約数ペア:

[(1, 28120148), (2, 14060074), (4, 7030037), (7, 4017164), (14, 2008582), (28, 1004291), (37, 760004), (74, 380002), (148, 190001), (259, 108572), (518, 54286), (1036, 27143)]