85761319

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1604

約数の個数: 20

約数和(自身を含む): 104466096

約数和(自身を除く): 18704777

約数列:

[1, 7, 23, 49, 161, 343, 1127, 1553, 2401, 7889, 10871, 35719, 55223, 76097, 250033, 532679, 1750231, 3728753, 12251617, 85761319]

約数ペア:

[(1, 85761319), (7, 12251617), (23, 3728753), (49, 1750231), (161, 532679), (343, 250033), (1127, 76097), (1553, 55223), (2401, 35719), (7889, 10871)]