题目内容

//打印1000之内的完数(一个数如果恰好等于除它本身外的因子之和，这个数就称为完数//例如6=1＋2＋3，6的因子是1,2,3)。public class Wanshu{public static void main (String args[ ]){int sum,i,j;for(i=1;i<=1000;i++){for(j=1,sum=0;j<=i/2;j++){(1) {sum=sum+j;}}if(2) {System.out.printf("%8d是一个完数%n",i);}}}}

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