255584238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 128

約数和(自身を含む): 673505280

約数和(自身を除く): 417921042

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 71, 78, 91, 114, 133, 142, 182, 213, 247, 266, 273, 347, 399, 426, 494, 497, 546, 694, 741, 798, 923, 994, 1041, 1349, 1482, 1491, 1729, 1846, 2082, 2429, 2698, 2769, 2982, 3458, 4047, 4511, 4858, 5187, 5538, 6461, 6593, 7287, 8094, 9022, 9443, 10374, 12922, 13186, 13533, 14574, 17537, 18886, 19383, 19779, 24637, 27066, 28329, 31577, 35074, 38766, 39558, 46151, 49274, 52611, 56658, 63154, 73911, 85709, 92302, 94731, 105222, 122759, 138453, 147822, 171418, 172459, 189462, 245518, 257127, 276906, 320281, 344918, 368277, 468103, 514254, 517377, 599963, 640562, 736554, 936206, 960843, 1034754, 1199926, 1404309, 1799889, 1921686, 2241967, 2808618, 3276721, 3599778, 4483934, 6085339, 6553442, 6725901, 9830163, 12170678, 13451802, 18256017, 19660326, 36512034, 42597373, 85194746, 127792119, 255584238]

約数ペア:

[(1, 255584238), (2, 127792119), (3, 85194746), (6, 42597373), (7, 36512034), (13, 19660326), (14, 18256017), (19, 13451802), (21, 12170678), (26, 9830163), (38, 6725901), (39, 6553442), (42, 6085339), (57, 4483934), (71, 3599778), (78, 3276721), (91, 2808618), (114, 2241967), (133, 1921686), (142, 1799889), (182, 1404309), (213, 1199926), (247, 1034754), (266, 960843), (273, 936206), (347, 736554), (399, 640562), (426, 599963), (494, 517377), (497, 514254), (546, 468103), (694, 368277), (741, 344918), (798, 320281), (923, 276906), (994, 257127), (1041, 245518), (1349, 189462), (1482, 172459), (1491, 171418), (1729, 147822), (1846, 138453), (2082, 122759), (2429, 105222), (2698, 94731), (2769, 92302), (2982, 85709), (3458, 73911), (4047, 63154), (4511, 56658), (4858, 52611), (5187, 49274), (5538, 46151), (6461, 39558), (6593, 38766), (7287, 35074), (8094, 31577), (9022, 28329), (9443, 27066), (10374, 24637), (12922, 19779), (13186, 19383), (13533, 18886), (14574, 17537)]