28457836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1009}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 54467280

約数和(自身を除く): 26009444

約数列:

[1, 2, 4, 11, 22, 44, 641, 1009, 1282, 2018, 2564, 4036, 7051, 11099, 14102, 22198, 28204, 44396, 646769, 1293538, 2587076, 7114459, 14228918, 28457836]

約数ペア:

[(1, 28457836), (2, 14228918), (4, 7114459), (11, 2587076), (22, 1293538), (44, 646769), (641, 44396), (1009, 28204), (1282, 22198), (2018, 14102), (2564, 11099), (4036, 7051)]