38155663

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 49280000

約数和(自身を除く): 11124337

約数列:

[1, 7, 13, 43, 49, 91, 199, 301, 343, 559, 637, 1393, 2107, 2587, 3913, 4459, 8557, 9751, 14749, 18109, 27391, 59899, 68257, 111241, 126763, 191737, 419293, 778687, 887341, 2935051, 5450809, 38155663]

約数ペア:

[(1, 38155663), (7, 5450809), (13, 2935051), (43, 887341), (49, 778687), (91, 419293), (199, 191737), (301, 126763), (343, 111241), (559, 68257), (637, 59899), (1393, 27391), (2107, 18109), (2587, 14749), (3913, 9751), (4459, 8557)]