28187684

素因数分解:

$2^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1523}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 56497728

約数和(自身を除く): 28310044

約数列:

[1, 2, 4, 7, 14, 28, 661, 1322, 1523, 2644, 3046, 4627, 6092, 9254, 10661, 18508, 21322, 42644, 1006703, 2013406, 4026812, 7046921, 14093842, 28187684]

約数ペア:

[(1, 28187684), (2, 14093842), (4, 7046921), (7, 4026812), (14, 2013406), (28, 1006703), (661, 42644), (1322, 21322), (1523, 18508), (2644, 10661), (3046, 9254), (4627, 6092)]