28335839

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4093}}^1$

素因数の和:4166

約数の個数: 16

約数和(自身を含む): 34586112

約数和(自身を除く): 6250273

約数列:

[1, 7, 23, 43, 161, 301, 989, 4093, 6923, 28651, 94139, 175999, 658973, 1231993, 4047977, 28335839]

約数ペア:

[(1, 28335839), (7, 4047977), (23, 1231993), (43, 658973), (161, 175999), (301, 94139), (989, 28651), (4093, 6923)]