28873286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15641}}^1$

素因数の和:15727

約数の個数: 16

約数和(自身を含む): 47301408

約数和(自身を除く): 18428122

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 15641, 31282, 203333, 406666, 1110511, 2221022, 14436643, 28873286]

約数ペア:

[(1, 28873286), (2, 14436643), (13, 2221022), (26, 1110511), (71, 406666), (142, 203333), (923, 31282), (1846, 15641)]