209854878

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 444787200

約数和(自身を除く): 234932322

約数列:

[1, 2, 3, 6, 43, 53, 86, 103, 106, 129, 149, 159, 206, 258, 298, 309, 318, 447, 618, 894, 2279, 4429, 4558, 5459, 6407, 6837, 7897, 8858, 10918, 12814, 13287, 13674, 15347, 15794, 16377, 19221, 23691, 26574, 30694, 32754, 38442, 46041, 47382, 92082, 234737, 339571, 469474, 659921, 679142, 704211, 813391, 1018713, 1319842, 1408422, 1626782, 1979763, 2037426, 2440173, 3959526, 4880346, 34975813, 69951626, 104927439, 209854878]

約数ペア:

[(1, 209854878), (2, 104927439), (3, 69951626), (6, 34975813), (43, 4880346), (53, 3959526), (86, 2440173), (103, 2037426), (106, 1979763), (129, 1626782), (149, 1408422), (159, 1319842), (206, 1018713), (258, 813391), (298, 704211), (309, 679142), (318, 659921), (447, 469474), (618, 339571), (894, 234737), (2279, 92082), (4429, 47382), (4558, 46041), (5459, 38442), (6407, 32754), (6837, 30694), (7897, 26574), (8858, 23691), (10918, 19221), (12814, 16377), (13287, 15794), (13674, 15347)]