64550905

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 78724800

約数和(自身を除く): 14173895

約数列:

[1, 5, 131, 139, 655, 695, 709, 3545, 18209, 91045, 92879, 98551, 464395, 492755, 12910181, 64550905]

約数ペア:

[(1, 64550905), (5, 12910181), (131, 492755), (139, 464395), (655, 98551), (695, 92879), (709, 91045), (3545, 18209)]