28366891

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 34029568

約数和(自身を除く): 5662677

約数列:

[1, 7, 31, 61, 217, 427, 1891, 2143, 13237, 15001, 66433, 130723, 465031, 915061, 4052413, 28366891]

約数ペア:

[(1, 28366891), (7, 4052413), (31, 915061), (61, 465031), (217, 130723), (427, 66433), (1891, 15001), (2143, 13237)]