138192368

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{200861}}^1$

素因数の和:200912

約数の個数: 20

約数和(自身を含む): 273975768

約数和(自身を除く): 135783400

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 200861, 401722, 803444, 1606888, 3213776, 8637023, 17274046, 34548092, 69096184, 138192368]

約数ペア:

[(1, 138192368), (2, 69096184), (4, 34548092), (8, 17274046), (16, 8637023), (43, 3213776), (86, 1606888), (172, 803444), (344, 401722), (688, 200861)]