337
If we are considering positive integers, we can look at the factor pairs of 228. Here they are:
factor pair = 228,1
factor pair = 114,2
factor pair = 76,3
factor pair = 57,4
factor pair = 38,6
factor pair = 19,12
Note that none of them add up to 49.
The numbers are: 49 and -4
49 and 4
49 and 4
143
49
-49 and -4
-54
249
-241
49 and 2.
1 x 49 = 49 7 x 7 = 49
2 and 49