28708057

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1373}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 34295040

約数和(自身を除く): 5586983

約数列:

[1, 7, 29, 103, 203, 721, 1373, 2987, 9611, 20909, 39817, 141419, 278719, 989933, 4101151, 28708057]

約数ペア:

[(1, 28708057), (7, 4101151), (29, 989933), (103, 278719), (203, 141419), (721, 39817), (1373, 20909), (2987, 9611)]