28133868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7789}}^1$

素因数の和:7846

約数の個数: 48

約数和(自身を含む): 76778240

約数和(自身を除く): 48644372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 7789, 15578, 23367, 31156, 46734, 54523, 93468, 109046, 163569, 218092, 327138, 334927, 654276, 669854, 1004781, 1339708, 2009562, 2344489, 4019124, 4688978, 7033467, 9377956, 14066934, 28133868]

約数ペア:

[(1, 28133868), (2, 14066934), (3, 9377956), (4, 7033467), (6, 4688978), (7, 4019124), (12, 2344489), (14, 2009562), (21, 1339708), (28, 1004781), (42, 669854), (43, 654276), (84, 334927), (86, 327138), (129, 218092), (172, 163569), (258, 109046), (301, 93468), (516, 54523), (602, 46734), (903, 31156), (1204, 23367), (1806, 15578), (3612, 7789)]