39988109

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1451}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 47579136

約数和(自身を除く): 7591027

約数列:

[1, 7, 31, 127, 217, 889, 1451, 3937, 10157, 27559, 44981, 184277, 314867, 1289939, 5712587, 39988109]

約数ペア:

[(1, 39988109), (7, 5712587), (31, 1289939), (127, 314867), (217, 184277), (889, 44981), (1451, 27559), (3937, 10157)]