@heir:
d509! = (418) = 418
d509! = (418) = 4181d418! = (374) = 374d374! = (295) = 2951d295! = (152) = 152d152! = (34) = 341d34! = (31) = 31d31! = (19) = 191d19! = (4) = 4d4! = (3) = 31d3! = (3+2) = 5d5! = (2) = 21d2! = (2+1) = 3d3! = (3+3+3+1) = 101d10! = (6) = 6d6! = (2) = 21d2! = (2+1) = 3d3! = (1) = 1d1488! = (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) = 5