1285631998

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{117883}}^1$

素因数の和:117952

約数の個数: 32

約数和(自身を含む): 2376541440

約数和(自身を除く): 1090909442

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 117883, 235766, 825181, 1650362, 2239777, 4479554, 4833203, 9666406, 15678439, 31356878, 33832421, 67664842, 91830857, 183661714, 642815999, 1285631998]

約数ペア:

[(1, 1285631998), (2, 642815999), (7, 183661714), (14, 91830857), (19, 67664842), (38, 33832421), (41, 31356878), (82, 15678439), (133, 9666406), (266, 4833203), (287, 4479554), (574, 2239777), (779, 1650362), (1558, 825181), (5453, 235766), (10906, 117883)]