28194881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 33602688

約数和(自身を除く): 5407807

約数列:

[1, 11, 13, 71, 143, 781, 923, 2777, 10153, 30547, 36101, 197167, 397111, 2168837, 2563171, 28194881]

約数ペア:

[(1, 28194881), (11, 2563171), (13, 2168837), (71, 397111), (143, 197167), (781, 36101), (923, 30547), (2777, 10153)]