2643242

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{523}}^1$

素因数の和:570

約数の個数: 24

約数和(自身を含む): 4791456

約数和(自身を除く): 2148214

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 523, 722, 1046, 2527, 3661, 5054, 7322, 9937, 19874, 69559, 139118, 188803, 377606, 1321621, 2643242]

約数ペア:

[(1, 2643242), (2, 1321621), (7, 377606), (14, 188803), (19, 139118), (38, 69559), (133, 19874), (266, 9937), (361, 7322), (523, 5054), (722, 3661), (1046, 2527)]