209805408

素因数分解:

$2^5\times 3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 617512896

約数和(自身を除く): 407707488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 67, 72, 83, 96, 131, 134, 144, 166, 201, 249, 262, 268, 288, 332, 393, 402, 498, 524, 536, 603, 664, 747, 786, 804, 996, 1048, 1072, 1179, 1206, 1328, 1494, 1572, 1608, 1992, 2096, 2144, 2358, 2412, 2656, 2988, 3144, 3216, 3984, 4192, 4716, 4824, 5561, 5976, 6288, 6432, 7968, 8777, 9432, 9648, 10873, 11122, 11952, 12576, 16683, 17554, 18864, 19296, 21746, 22244, 23904, 26331, 32619, 33366, 35108, 37728, 43492, 44488, 50049, 52662, 65238, 66732, 70216, 78993, 86984, 88976, 97857, 100098, 105324, 130476, 133464, 140432, 157986, 173968, 177952, 195714, 200196, 210648, 260952, 266928, 280864, 315972, 347936, 391428, 400392, 421296, 521904, 533856, 631944, 728491, 782856, 800784, 842592, 1043808, 1263888, 1456982, 1565712, 1601568, 2185473, 2527776, 2913964, 3131424, 4370946, 5827928, 6556419, 8741892, 11655856, 13112838, 17483784, 23311712, 26225676, 34967568, 52451352, 69935136, 104902704, 209805408]

約数ペア:

[(1, 209805408), (2, 104902704), (3, 69935136), (4, 52451352), (6, 34967568), (8, 26225676), (9, 23311712), (12, 17483784), (16, 13112838), (18, 11655856), (24, 8741892), (32, 6556419), (36, 5827928), (48, 4370946), (67, 3131424), (72, 2913964), (83, 2527776), (96, 2185473), (131, 1601568), (134, 1565712), (144, 1456982), (166, 1263888), (201, 1043808), (249, 842592), (262, 800784), (268, 782856), (288, 728491), (332, 631944), (393, 533856), (402, 521904), (498, 421296), (524, 400392), (536, 391428), (603, 347936), (664, 315972), (747, 280864), (786, 266928), (804, 260952), (996, 210648), (1048, 200196), (1072, 195714), (1179, 177952), (1206, 173968), (1328, 157986), (1494, 140432), (1572, 133464), (1608, 130476), (1992, 105324), (2096, 100098), (2144, 97857), (2358, 88976), (2412, 86984), (2656, 78993), (2988, 70216), (3144, 66732), (3216, 65238), (3984, 52662), (4192, 50049), (4716, 44488), (4824, 43492), (5561, 37728), (5976, 35108), (6288, 33366), (6432, 32619), (7968, 26331), (8777, 23904), (9432, 22244), (9648, 21746), (10873, 19296), (11122, 18864), (11952, 17554), (12576, 16683)]