128636928

素因数分解:

$2^{11}\times 3^2\times 7^1\times {\mathrm{997}}^1$

素因数の和:1032

約数の個数: 144

約数和(自身を含む): 425028240

約数和(自身を除く): 296391312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 672, 768, 896, 997, 1008, 1024, 1152, 1344, 1536, 1792, 1994, 2016, 2048, 2304, 2688, 2991, 3072, 3584, 3988, 4032, 4608, 5376, 5982, 6144, 6979, 7168, 7976, 8064, 8973, 9216, 10752, 11964, 13958, 14336, 15952, 16128, 17946, 18432, 20937, 21504, 23928, 27916, 31904, 32256, 35892, 41874, 43008, 47856, 55832, 62811, 63808, 64512, 71784, 83748, 95712, 111664, 125622, 127616, 129024, 143568, 167496, 191424, 223328, 251244, 255232, 287136, 334992, 382848, 446656, 502488, 510464, 574272, 669984, 765696, 893312, 1004976, 1020928, 1148544, 1339968, 1531392, 1786624, 2009952, 2041856, 2297088, 2679936, 3062784, 3573248, 4019904, 4594176, 5359872, 6125568, 7146496, 8039808, 9188352, 10719744, 14292992, 16079616, 18376704, 21439488, 32159232, 42878976, 64318464, 128636928]

約数ペア:

[(1, 128636928), (2, 64318464), (3, 42878976), (4, 32159232), (6, 21439488), (7, 18376704), (8, 16079616), (9, 14292992), (12, 10719744), (14, 9188352), (16, 8039808), (18, 7146496), (21, 6125568), (24, 5359872), (28, 4594176), (32, 4019904), (36, 3573248), (42, 3062784), (48, 2679936), (56, 2297088), (63, 2041856), (64, 2009952), (72, 1786624), (84, 1531392), (96, 1339968), (112, 1148544), (126, 1020928), (128, 1004976), (144, 893312), (168, 765696), (192, 669984), (224, 574272), (252, 510464), (256, 502488), (288, 446656), (336, 382848), (384, 334992), (448, 287136), (504, 255232), (512, 251244), (576, 223328), (672, 191424), (768, 167496), (896, 143568), (997, 129024), (1008, 127616), (1024, 125622), (1152, 111664), (1344, 95712), (1536, 83748), (1792, 71784), (1994, 64512), (2016, 63808), (2048, 62811), (2304, 55832), (2688, 47856), (2991, 43008), (3072, 41874), (3584, 35892), (3988, 32256), (4032, 31904), (4608, 27916), (5376, 23928), (5982, 21504), (6144, 20937), (6979, 18432), (7168, 17946), (7976, 16128), (8064, 15952), (8973, 14336), (9216, 13958), (10752, 11964)]