why is this correct? If then where the number of divisors of N... Also where is the sum of the divisors of N....
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Originally Posted by bigdoggy why is this correct? If then where the number of divisors of N... Also where is the sum of the divisors of N.... the LHS of the first identity is wrong. it should be
ok, for the integers let then, assuming that is defined we have: now use the fact that and
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