3890054

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2147

約数の個数: 16

約数和(自身を含む): 6720000

約数和(自身を除く): 2829946

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 1999, 3998, 13993, 27986, 277861, 555722, 1945027, 3890054]

約数ペア:

[(1, 3890054), (2, 1945027), (7, 555722), (14, 277861), (139, 27986), (278, 13993), (973, 3998), (1946, 1999)]