68981288

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1039}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 133161600

約数和(自身を除く): 64180312

約数列:

[1, 2, 4, 8, 43, 86, 172, 193, 344, 386, 772, 1039, 1544, 2078, 4156, 8299, 8312, 16598, 33196, 44677, 66392, 89354, 178708, 200527, 357416, 401054, 802108, 1604216, 8622661, 17245322, 34490644, 68981288]

約数ペア:

[(1, 68981288), (2, 34490644), (4, 17245322), (8, 8622661), (43, 1604216), (86, 802108), (172, 401054), (193, 357416), (344, 200527), (386, 178708), (772, 89354), (1039, 66392), (1544, 44677), (2078, 33196), (4156, 16598), (8299, 8312)]