# limit integer number
lim_int_num = 28
divide_num = 1
# limit integer number out loop
while lim_int_num % divide_num == 0:
# print(divide_num)
# print("limit %4d" % lim_int_num)
# once again to begin
divide_num += 1
# unequal to while no if
while lim_int_num % divide_num != 0:
divide_num += 1
if lim_int_num == divide_num:
print("This %2d perfect number" % lim_int_num)
break
