1 and 49
1 and 13.
Simplest answer: 1 and 162.
1 and 27 do.
1 and 69 do.
The two whole numbers that can go into 98 are 1, 2, 7, 49, and 98.
1, 7, 49.
All these: 1, 7, 11, 49, 77, 539.
There are six: 1 2 7 14 49 98.
1, 7, 49.
Three: 1 7 49.
Three: 1 7 49.