81686126

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1\times {\mathrm{1021}}^1$

素因数の和:1499

約数の個数: 16

約数和(自身を含む): 124111680

約数和(自身を除く): 42425554

約数列:

[1, 2, 109, 218, 367, 734, 1021, 2042, 40003, 80006, 111289, 222578, 374707, 749414, 40843063, 81686126]

約数ペア:

[(1, 81686126), (2, 40843063), (109, 749414), (218, 374707), (367, 222578), (734, 111289), (1021, 80006), (2042, 40003)]