3108311
(2+1)(2*2+1)(2*2*2*2+1)(2*2*2*2*2*2*2*2+1)+1
½â´ð£º(2+1)(2^2+1)(2^4+)(2^8+1)+1 =(2-1)(2+1)(2^2+1)(2^4+1)(2^8+1)+1 =(2^2-1)(2^2+1)(2^4+1)(2^8+1)+1 =(2^4-1)...
½â´ð£º(2+1)(2^2+1)(2^4+)(2^8+1)+1 =(2-1)(2+1)(2^2+1)(2^4+1)(2^8+1)+1 =(2^2-1)(2^2+1)(2^4+1)(2^8+1)+1 =(2^4-1)...