28170919

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:2010

約数の個数: 16

約数和(自身を含む): 33779520

約数和(自身を除く): 5608601

約数列:

[1, 7, 29, 73, 203, 511, 1901, 2117, 13307, 14819, 55129, 138773, 385903, 971411, 4024417, 28170919]

約数ペア:

[(1, 28170919), (7, 4024417), (29, 971411), (73, 385903), (203, 138773), (511, 55129), (1901, 14819), (2117, 13307)]