题解 | #完全数计算#
完全数计算
http://www.nowcoder.com/practice/7299c12e6abb437c87ad3e712383ff84
let n = +readline();
let l = 0;
function isPerfectNumer(num) {
let sum = 0;
for(let i = 1; i < num; i++) {
if(num % i == 0) {
sum += i;
}
}
return sum == num ? true : false;
}
for(let i = 1; i <= n; i++) {
let result = isPerfectNumer(i);
l += result ? 1 : 0;
}
console.log(l);
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