138499585

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{64871}}^1$

素因数の和:64944

約数の個数: 16

約数和(自身を含む): 193059072

約数和(自身を除く): 54559487

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 64871, 324355, 454097, 2270485, 3957131, 19785655, 27699917, 138499585]

約数ペア:

[(1, 138499585), (5, 27699917), (7, 19785655), (35, 3957131), (61, 2270485), (305, 454097), (427, 324355), (2135, 64871)]