create or replace function ranges(x, y, z, one, three, seven) as (
  range(-three,  ((1 + 3) ^ 3)::BIGINT, three) ||
  range( -seven, 1 + seven,  x) ||
  range(    555, 1 +  550 - y)  ||
  range(     22,-1 -28, -three) ||
  range(1927   , 1 + 1939     ) ||
  range(x      , y,          z) ||
  range((11 ^ x)::BIGINT, 1 + ( 11 ^ x)::BIGINT + one)
);

create or replace function task(x,y,z, one, three, seven) as table (
  with recursive lst as (select ranges(x,y,z, one, three, seven) as lst),
    cte as (
      select 1 as ix,               -- index into ranges()
             0 as j,
             0 as sum,
             1 as prod              -- start with a product of unity
      union all
      select ix + 1 as ix,
             lst.lst[ix] as j,
             (sum + (@j)) as sum,
             if ((@prod) < (2 ^ 27)::BIGINT and j != 0,
                 prod * j,
	         prod) as prod
      from cte, lst
      where ix <= 1 + length(lst)
  )
 select last(sum) as sum, last(prod) as prod
 from cte
);

from task(5, -5, -2, 1, 3, 7);