81502465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 111767040

約数和(自身を除く): 30264575

約数列:

[1, 5, 11, 41, 47, 55, 205, 235, 451, 517, 769, 1927, 2255, 2585, 3845, 8459, 9635, 21197, 31529, 36143, 42295, 105985, 157645, 180715, 346819, 397573, 1481863, 1734095, 1987865, 7409315, 16300493, 81502465]

約数ペア:

[(1, 81502465), (5, 16300493), (11, 7409315), (41, 1987865), (47, 1734095), (55, 1481863), (205, 397573), (235, 346819), (451, 180715), (517, 157645), (769, 105985), (1927, 42295), (2255, 36143), (2585, 31529), (3845, 21197), (8459, 9635)]