209169216

素因数分解:

$2^6\times 3^4\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 140

約数和(自身を含む): 626420388

約数和(自身を除く): 417251172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 157, 162, 192, 216, 257, 288, 314, 324, 432, 471, 514, 576, 628, 648, 771, 864, 942, 1028, 1256, 1296, 1413, 1542, 1728, 1884, 2056, 2313, 2512, 2592, 2826, 3084, 3768, 4112, 4239, 4626, 5024, 5184, 5652, 6168, 6939, 7536, 8224, 8478, 9252, 10048, 11304, 12336, 12717, 13878, 15072, 16448, 16956, 18504, 20817, 22608, 24672, 25434, 27756, 30144, 33912, 37008, 40349, 41634, 45216, 49344, 50868, 55512, 67824, 74016, 80698, 83268, 90432, 101736, 111024, 121047, 135648, 148032, 161396, 166536, 203472, 222048, 242094, 271296, 322792, 333072, 363141, 406944, 444096, 484188, 645584, 666144, 726282, 813888, 968376, 1089423, 1291168, 1332288, 1452564, 1936752, 2178846, 2582336, 2905128, 3268269, 3873504, 4357692, 5810256, 6536538, 7747008, 8715384, 11620512, 13073076, 17430768, 23241024, 26146152, 34861536, 52292304, 69723072, 104584608, 209169216]

約数ペア:

[(1, 209169216), (2, 104584608), (3, 69723072), (4, 52292304), (6, 34861536), (8, 26146152), (9, 23241024), (12, 17430768), (16, 13073076), (18, 11620512), (24, 8715384), (27, 7747008), (32, 6536538), (36, 5810256), (48, 4357692), (54, 3873504), (64, 3268269), (72, 2905128), (81, 2582336), (96, 2178846), (108, 1936752), (144, 1452564), (157, 1332288), (162, 1291168), (192, 1089423), (216, 968376), (257, 813888), (288, 726282), (314, 666144), (324, 645584), (432, 484188), (471, 444096), (514, 406944), (576, 363141), (628, 333072), (648, 322792), (771, 271296), (864, 242094), (942, 222048), (1028, 203472), (1256, 166536), (1296, 161396), (1413, 148032), (1542, 135648), (1728, 121047), (1884, 111024), (2056, 101736), (2313, 90432), (2512, 83268), (2592, 80698), (2826, 74016), (3084, 67824), (3768, 55512), (4112, 50868), (4239, 49344), (4626, 45216), (5024, 41634), (5184, 40349), (5652, 37008), (6168, 33912), (6939, 30144), (7536, 27756), (8224, 25434), (8478, 24672), (9252, 22608), (10048, 20817), (11304, 18504), (12336, 16956), (12717, 16448), (13878, 15072)]