回复:回复:印尼奥赛题(1星)to aceonriver
even if you count 1 and itself, it would be 4 even divisor (2,2,2,itself)and 5 odd divisor(3,3,7,31,1)
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• 回复:回复:回复:印尼奥赛题(1星)to aceonriver -AceOnRiver- ♂ (96 bytes) () 11/05/2009 postreply 13:45:53