Solve any maths problem
Equations, derivatives, integrals, matrices, triangles, primes, statistics, or a word problem the tutor breaks into parts.
Step by step
- 28 = 2^{2} \times 7
Prime-factorise first.
- d(n) = (2+1) \cdot (1+1) = 6
Each divisor picks an exponent from 0 up to the prime's exponent, so multiply (exponent + 1) for each prime.
- 1, 2, 4, 7, 14, 28
List them in increasing order.
Reveal the answer
1, 2, 4, 7, 14, 28