原式=(2-1)(2+1)(2²+1)(2^4+1)(2^8+1)-2^16
=(2²-1)(2²+1)(2^4+1)(2^8+1)-2^16
=(2^4-1)(2^4+1)(2^8+1)-2^16
=(2^8-1)(2^8+1)-2^16
=2^16-1-2^16
=-1
原式=(2-1)(2+1)(2²+1)(2^4+1)(2^8+1)-2^16
=(2²-1)(2²+1)(2^4+1)(2^8+1)-2^16
=(2^4-1)(2^4+1)(2^8+1)-2^16
=(2^8-1)(2^8+1)-2^16
=2^16-1-2^16
=-1