39781442

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1\times {\mathrm{647}}^1$

素因数の和:1153

約数の個数: 16

約数和(自身を含む): 60746112

約数和(自身を除く): 20964670

約数列:

[1, 2, 71, 142, 433, 647, 866, 1294, 30743, 45937, 61486, 91874, 280151, 560302, 19890721, 39781442]

約数ペア:

[(1, 39781442), (2, 19890721), (71, 560302), (142, 280151), (433, 91874), (647, 61486), (866, 45937), (1294, 30743)]