n=int(input())
a=list(map(int,input().split()))

ans=10**9
ans2=-1
d=a[-1]-a[0]
for x in range(1,500):
  last=-1
  cnt=0
  for i in a:
    if i//x!=last:
      cnt+=1
      last=i//x
  if ans>cnt*(x+1):
    ans=cnt*(x+1)
    ans2=x

def calc_big(x):
  last=-1
  now=0
  for i in a:
    if i//x!=last:
      now+=x+1
      last=i//x
      if now>=ans:
        return 10**9
  return now

for x in range(500,2*10**5+10):
  res=calc_big(x)
  if res<ans:
    ans=res
    ans2=x

print(ans2)
print(ans)