82638647

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 23806153

約数列:

[1, 7, 13, 43, 49, 91, 301, 343, 431, 559, 637, 2107, 3017, 3913, 4459, 5603, 14749, 18533, 21119, 27391, 39221, 129731, 147833, 191737, 240929, 274547, 908117, 1686503, 1921829, 6356819, 11805521, 82638647]

約数ペア:

[(1, 82638647), (7, 11805521), (13, 6356819), (43, 1921829), (49, 1686503), (91, 908117), (301, 274547), (343, 240929), (431, 191737), (559, 147833), (637, 129731), (2107, 39221), (3017, 27391), (3913, 21119), (4459, 18533), (5603, 14749)]