248989866

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 526901760

約数和(自身を除く): 277911894

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 131, 139, 159, 258, 262, 278, 318, 393, 417, 786, 834, 2279, 4558, 5633, 5977, 6837, 6943, 7367, 11266, 11954, 13674, 13886, 14734, 16899, 17931, 18209, 20829, 22101, 33798, 35862, 36418, 41658, 44202, 54627, 109254, 298549, 316781, 597098, 633562, 782987, 895647, 950343, 965077, 1565974, 1791294, 1900686, 1930154, 2348961, 2895231, 4697922, 5790462, 41498311, 82996622, 124494933, 248989866]

約数ペア:

[(1, 248989866), (2, 124494933), (3, 82996622), (6, 41498311), (43, 5790462), (53, 4697922), (86, 2895231), (106, 2348961), (129, 1930154), (131, 1900686), (139, 1791294), (159, 1565974), (258, 965077), (262, 950343), (278, 895647), (318, 782987), (393, 633562), (417, 597098), (786, 316781), (834, 298549), (2279, 109254), (4558, 54627), (5633, 44202), (5977, 41658), (6837, 36418), (6943, 35862), (7367, 33798), (11266, 22101), (11954, 20829), (13674, 18209), (13886, 17931), (14734, 16899)]