28790986

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89413}}^1$

素因数の和:89445

約数の個数: 16

約数和(自身を含む): 51502464

約数和(自身を除く): 22711478

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 89413, 178826, 625891, 1251782, 2056499, 4112998, 14395493, 28790986]

約数ペア:

[(1, 28790986), (2, 14395493), (7, 4112998), (14, 2056499), (23, 1251782), (46, 625891), (161, 178826), (322, 89413)]