12810854

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2220

約数の個数: 24

約数和(自身を含む): 22730688

約数和(自身を除く): 9919834

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2143, 2989, 4286, 5978, 15001, 30002, 105007, 130723, 210014, 261446, 915061, 1830122, 6405427, 12810854]

約数ペア:

[(1, 12810854), (2, 6405427), (7, 1830122), (14, 915061), (49, 261446), (61, 210014), (98, 130723), (122, 105007), (427, 30002), (854, 15001), (2143, 5978), (2989, 4286)]