# include <stdio.h>
void main ( )
{
    int i,m,s;
    for(m=2;m<1000;m++)
    {
        s=0;
        for(i=1;i<m;i++)
          if((m%i)==0) s=s+i;
        if(s==m)
         {
            printf("%d , its factors are",m);
             for(i=1;i<m;i++)
                if(m%i==0)
                  printf("%d  ",i);
                  
                printf("\n");
        }
        
                  
               
                  
    }
}

# include <stdio.h>
void main ( )
{
    int i,m,s;
    s=0;
    for(m=2;m<1000;m++)
    {
        
        for(i=1;i<m;i++)
          if((m%i)==0) s=s+i;
        if(s==m)
         {
            printf("%d , its factors are",m);
             for(i=1;i<m;i++)
                if(m%i==0)
                  printf("%d  ",i);
                  
                printf("\n");
        }
        
                  
               
                  
    }
}
   
   
   
   
        

                  



   
        
   
        


   

      




   

也就是说第二个里面的s，在第二次循环或后面的循环里面初始值不一定为零，是不？