perfectNumber0

perfectNumber0 = (num) => {
  'use strict'

  const getPositiveDivisors = num => {
    let arr = []
    for (let i = 1, j = 0; i < num; i++)
      if (num % i === 0) {
        arr[j] = i
        j++
      }

    return arr
  }

  const getSum = arr => {
    let sum = 0
    for (let i = 0; i < arr.length; i++)
      sum += arr[i]

    return sum
  }

  let arr = [],
    sum = 0

  arr = getPositiveDivisors(num)
  sum = getSum(arr)

  if (sum === num)
    console.log('We have a perfect number!')
  else
    console.log('It\'s not so perfect.')
}