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CodeTime Limit: 1000MS Memory Limit: 30000KB 64bit IO Format: %I64d & %I64uSubmit StatusDescriptionTransmitting and memorizing information is a task that re

3994: [SDOI2015]约数个数和Time Limit: 20 Sec  Memory Limit:128 MBSubmit: 239  Solved: 176[Submit][Status][Discuss]Description 设d(x)为x的约数个数，给定N、M，求  Input输入文件包含多组测试数据。第一行，一个整数T，表示测试数

Stan is crazy about math. One day, he was confronted with an interesting integer function definedon positive integers, which satisfies f(1) = 1 and for every positive integer n, 3 × f(n) × f(2n + 1) =f(2n) × (1 + 3f(n)), f(2n) < 6 × f(n).He wanted to kn