28670078

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{857}}^1$

素因数の和:1291

約数の個数: 16

約数和(自身を含む): 44169840

約数和(自身を除く): 15499762

約数列:

[1, 2, 43, 86, 389, 778, 857, 1714, 16727, 33454, 36851, 73702, 333373, 666746, 14335039, 28670078]

約数ペア:

[(1, 28670078), (2, 14335039), (43, 666746), (86, 333373), (389, 73702), (778, 36851), (857, 33454), (1714, 16727)]