Divisor Sum of 45,946
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Example of Divisor Sum of Integer
- $\map {\sigma_1} {45 \, 946} = 68 \, 922$
where $\sigma_1$ denotes the divisor sum function.
Proof
We have that:
- $45 \, 946 = 2 \times 22 \, 973$
Hence:
\(\ds \map {\sigma_1} {45 \, 946}\) | \(=\) | \(\ds \paren {2 + 1} \times \paren {22 \, 973 + 1}\) | Divisor Sum of Non-Square Semiprime | |||||||||||
\(\ds \) | \(=\) | \(\ds 3 \times 22 \, 974\) | ||||||||||||
\(\ds \) | \(=\) | \(\ds 3 \times \paren {2 \times 3 \times 7 \times 547}\) | ||||||||||||
\(\ds \) | \(=\) | \(\ds 2 \times 3^2 \times 7 \times 547\) | ||||||||||||
\(\ds \) | \(=\) | \(\ds 68 \, 922\) |
$\blacksquare$