t=int(input())
for _ in range(t):
  n=int(input())
  x=y=0
  for i in range(60)[::-1]:
    if n>>i&1:
      if x==0:
        x=1<<i
      else:
        y|=1<<i
  m=x*y
  for i in range(60):
    nx=1<<i
    ny=nx-1
    if nx*ny>m and 0<=nx and 0<=ny and nx+ny<=n:
      m=nx*ny
      x,y=nx,ny
  print(x,y)