@heir:
d1488! = (51) = 51
d1488! = (51) = 51d20 = (1) = 11d51! = (4) = 4d20 = (1) = 1d4! = (1) = 11d20 = (1) = 1d20 = (18) = 181d777 = (657) = 657d657! = (625) = 625d625! = (165) = 165d165! = (109) = 109d109! = (108) = 108d108! = (20) = 20d20! = (5) = 5d5! = (2) = 2d2! = (2+2+2+2+1) = 9d9! = (3) = 3d3! = (3+2) = 5d5! = (5+4) = 9d9! = (6) = 6d6! = (4) = 4d4! = (3) = 3d3! = (2) = 2d2! = (1) = 1d777 = (630) = 630d777 = (568) = 568d777 = (640) = 640d777 = (183) = 183d777 = (103) = 103d777 = (103) = 103