28504021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5309}}^1$

素因数の和:5388

約数の個数: 16

約数和(自身を含む): 35683200

約数和(自身を除く): 7179179

約数列:

[1, 7, 13, 59, 91, 413, 767, 5309, 5369, 37163, 69017, 313231, 483119, 2192617, 4072003, 28504021]

約数ペア:

[(1, 28504021), (7, 4072003), (13, 2192617), (59, 483119), (91, 313231), (413, 69017), (767, 37163), (5309, 5369)]