80820146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{23399}}^1$

素因数の和:23569

約数の個数: 16

約数和(自身を含む): 133099200

約数和(自身を除く): 52279054

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 23399, 46798, 257389, 514778, 3673643, 7347286, 40410073, 80820146]

約数ペア:

[(1, 80820146), (2, 40410073), (11, 7347286), (22, 3673643), (157, 514778), (314, 257389), (1727, 46798), (3454, 23399)]