123120745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 44529815

約数列:

[1, 5, 11, 41, 55, 71, 205, 355, 451, 769, 781, 2255, 2911, 3845, 3905, 8459, 14555, 31529, 32021, 42295, 54599, 157645, 160105, 272995, 346819, 600589, 1734095, 2238559, 3002945, 11192795, 24624149, 123120745]

約数ペア:

[(1, 123120745), (5, 24624149), (11, 11192795), (41, 3002945), (55, 2238559), (71, 1734095), (205, 600589), (355, 346819), (451, 272995), (769, 160105), (781, 157645), (2255, 54599), (2911, 42295), (3845, 32021), (3905, 31529), (8459, 14555)]