28754894

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{25999}}^1$

素因数の和:26087

約数の個数: 16

約数和(自身を含む): 49920000

約数和(自身を除く): 21165106

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 25999, 51998, 181993, 363986, 2053921, 4107842, 14377447, 28754894]

約数ペア:

[(1, 28754894), (2, 14377447), (7, 4107842), (14, 2053921), (79, 363986), (158, 181993), (553, 51998), (1106, 25999)]