1, 2, 3, 6, 13, 26, 39, 78
its 217
The sum is 195.
Do you mean divisors? If you are, then a divisor is the number that is by divided. That's really all there is to say about divisors. I'm very sorry if this doesn't help.
2,4,8 (1 and 16 are divisors too, but the number and 1 are always divisors)
12 has six divisors.
1, 2, 3, 6, 13, 26, 39, 78.
Yes, 78 is a composite number. A composite number is a positive integer that has more than two distinct positive divisors. In the case of 78, it has divisors other than 1 and itself, such as 2, 3, 6, 13, 26, and 39.
The divisors of 39 are 1, 3, 13, and 39
99 has six divisors: 1, 3, 9, 11, 33, 99.
1 and 29.
60
its 217
22 has four divisors (also called factors): 1, 2, 11, 22.
These are all the divisors of 64: 1, 2, 4, 8, 16, 32, 64.
The divisors of 40: 1 | 2 | 4 | 5 | 8 | 10 | 20 | 40 (8 divisors)
15
1,815