func main()
	var n: int :: cui@inputInt()
	if(n = 1)
		do cui@print("1\n")
		ret
	end if
	var factors: []int :: math@primeFactors(n)
	var v: int :: factors[0]
	var sum: int :: 1 + v
	var ans: int :: 1
	for i(1, ^factors - 1)
		if(factors[i] = factors[i - 1])
			do v :* factors[i]
			do sum :+ v
		else
			do ans :* sum
			do v :: factors[i]
			do sum :: 1 + v
		end if
	end for
	do ans :* sum
	do cui@print("\{ans}\n")
end func