28786478

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89399}}^1$

素因数の和:89431

約数の個数: 16

約数和(自身を含む): 51494400

約数和(自身を除く): 22707922

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 89399, 178798, 625793, 1251586, 2056177, 4112354, 14393239, 28786478]

約数ペア:

[(1, 28786478), (2, 14393239), (7, 4112354), (14, 2056177), (23, 1251586), (46, 625793), (161, 178798), (322, 89399)]