167
They are 7 and 2
They are 7 and 2
The 8 factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56. 2 and 8 add up to 10. Also, 1, 2, and 7 add up to 10.
7 and 1 are two factors of seven. 7+1=8
The factors of -504 are 2, 2, 2, 3, 3, 7 and -1. Then the factors that add to -3 are -24 and 21.
5
-13
7 and 2
119
15
91