Sumdiv(同餘模運算、素因子分解、遞歸二分求等比數列、快速冪)

題目描述: Consider two natural numbers A and B. Let S be the sum of all natural divisors of A^BA B. Determine S modulo 9901 (the rest of the division of S by 9901).ios 輸入描述: The only line contains the two
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