128735488

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 108

約数和(自身を含む): 311505600

約数和(自身を除く): 182770112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 199, 224, 256, 266, 304, 361, 398, 448, 532, 608, 722, 796, 896, 1064, 1216, 1393, 1444, 1592, 1792, 2128, 2432, 2527, 2786, 2888, 3184, 3781, 4256, 4864, 5054, 5572, 5776, 6368, 7562, 8512, 10108, 11144, 11552, 12736, 15124, 17024, 20216, 22288, 23104, 25472, 26467, 30248, 34048, 40432, 44576, 46208, 50944, 52934, 60496, 71839, 80864, 89152, 92416, 105868, 120992, 143678, 161728, 178304, 211736, 241984, 287356, 323456, 356608, 423472, 483968, 502873, 574712, 646912, 846944, 967936, 1005746, 1149424, 1693888, 2011492, 2298848, 3387776, 4022984, 4597696, 6775552, 8045968, 9195392, 16091936, 18390784, 32183872, 64367744, 128735488]

約数ペア:

[(1, 128735488), (2, 64367744), (4, 32183872), (7, 18390784), (8, 16091936), (14, 9195392), (16, 8045968), (19, 6775552), (28, 4597696), (32, 4022984), (38, 3387776), (56, 2298848), (64, 2011492), (76, 1693888), (112, 1149424), (128, 1005746), (133, 967936), (152, 846944), (199, 646912), (224, 574712), (256, 502873), (266, 483968), (304, 423472), (361, 356608), (398, 323456), (448, 287356), (532, 241984), (608, 211736), (722, 178304), (796, 161728), (896, 143678), (1064, 120992), (1216, 105868), (1393, 92416), (1444, 89152), (1592, 80864), (1792, 71839), (2128, 60496), (2432, 52934), (2527, 50944), (2786, 46208), (2888, 44576), (3184, 40432), (3781, 34048), (4256, 30248), (4864, 26467), (5054, 25472), (5572, 23104), (5776, 22288), (6368, 20216), (7562, 17024), (8512, 15124), (10108, 12736), (11144, 11552)]