1388828

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 2802912

約数和(自身を除く): 1414084

約数列:

[1, 2, 4, 7, 14, 28, 193, 257, 386, 514, 772, 1028, 1351, 1799, 2702, 3598, 5404, 7196, 49601, 99202, 198404, 347207, 694414, 1388828]

約数ペア:

[(1, 1388828), (2, 694414), (4, 347207), (7, 198404), (14, 99202), (28, 49601), (193, 7196), (257, 5404), (386, 3598), (514, 2702), (772, 1799), (1028, 1351)]