91669990

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{20693}}^1$

素因数の和:21143

約数の個数: 16

約数和(自身を含む): 165386448

約数和(自身を除く): 73716458

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 20693, 41386, 103465, 206930, 9166999, 18333998, 45834995, 91669990]

約数ペア:

[(1, 91669990), (2, 45834995), (5, 18333998), (10, 9166999), (443, 206930), (886, 103465), (2215, 41386), (4430, 20693)]