398280064

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1168

約数の個数: 128

約数和(自身を含む): 1008967680

約数和(自身を除く): 610687616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 896, 992, 1103, 1456, 1612, 1664, 1736, 1984, 2206, 2821, 2912, 3224, 3472, 3968, 4412, 5642, 5824, 6448, 6944, 7721, 8824, 11284, 11648, 12896, 13888, 14339, 15442, 17648, 22568, 25792, 27776, 28678, 30884, 34193, 35296, 45136, 51584, 57356, 61768, 68386, 70592, 90272, 100373, 114712, 123536, 136772, 141184, 180544, 200746, 229424, 239351, 247072, 273544, 361088, 401492, 444509, 458848, 478702, 494144, 547088, 802984, 889018, 917696, 957404, 988288, 1094176, 1605968, 1778036, 1835392, 1914808, 2188352, 3111563, 3211936, 3556072, 3829616, 4376704, 6223126, 6423872, 7112144, 7659232, 12446252, 12847744, 14224288, 15318464, 24892504, 28448576, 30636928, 49785008, 56897152, 99570016, 199140032, 398280064]

約数ペア:

[(1, 398280064), (2, 199140032), (4, 99570016), (7, 56897152), (8, 49785008), (13, 30636928), (14, 28448576), (16, 24892504), (26, 15318464), (28, 14224288), (31, 12847744), (32, 12446252), (52, 7659232), (56, 7112144), (62, 6423872), (64, 6223126), (91, 4376704), (104, 3829616), (112, 3556072), (124, 3211936), (128, 3111563), (182, 2188352), (208, 1914808), (217, 1835392), (224, 1778036), (248, 1605968), (364, 1094176), (403, 988288), (416, 957404), (434, 917696), (448, 889018), (496, 802984), (728, 547088), (806, 494144), (832, 478702), (868, 458848), (896, 444509), (992, 401492), (1103, 361088), (1456, 273544), (1612, 247072), (1664, 239351), (1736, 229424), (1984, 200746), (2206, 180544), (2821, 141184), (2912, 136772), (3224, 123536), (3472, 114712), (3968, 100373), (4412, 90272), (5642, 70592), (5824, 68386), (6448, 61768), (6944, 57356), (7721, 51584), (8824, 45136), (11284, 35296), (11648, 34193), (12896, 30884), (13888, 28678), (14339, 27776), (15442, 25792), (17648, 22568)]