Function: bigomega
Section: number_theoretical
C-Name: bigomega
Prototype: lG
Help: bigomega(x): number of prime divisors of x, counted with multiplicity.
Doc: number of prime divisors of the integer $|x|$ counted with
 multiplicity:
 \bprog
 ? factor(392)
 %1 =
 [2 3]

 [7 2]

 ? bigomega(392)
 %2 = 5;  \\ = 3+2
 ? omega(392)
 %3 = 2;  \\ without multiplicity
 @eprog
