199977239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{673}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 265545216

約数和(自身を除く): 65567977

約数列:

[1, 7, 11, 17, 77, 119, 187, 227, 673, 1309, 1589, 2497, 3859, 4711, 7403, 11441, 17479, 27013, 42449, 51821, 80087, 125851, 152771, 297143, 880957, 1069397, 1680481, 2597107, 11763367, 18179749, 28568177, 199977239]

約数ペア:

[(1, 199977239), (7, 28568177), (11, 18179749), (17, 11763367), (77, 2597107), (119, 1680481), (187, 1069397), (227, 880957), (673, 297143), (1309, 152771), (1589, 125851), (2497, 80087), (3859, 51821), (4711, 42449), (7403, 27013), (11441, 17479)]