161711872

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 395587584

約数和(自身を除く): 233875712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 41, 56, 62, 64, 71, 82, 112, 124, 128, 142, 164, 217, 224, 248, 256, 284, 287, 328, 434, 448, 496, 497, 568, 574, 656, 868, 896, 992, 994, 1136, 1148, 1271, 1312, 1736, 1792, 1984, 1988, 2201, 2272, 2296, 2542, 2624, 2911, 3472, 3968, 3976, 4402, 4544, 4592, 5084, 5248, 5822, 6944, 7936, 7952, 8804, 8897, 9088, 9184, 10168, 10496, 11644, 13888, 15407, 15904, 17608, 17794, 18176, 18368, 20336, 20377, 23288, 27776, 30814, 31808, 35216, 35588, 36736, 40672, 40754, 46576, 55552, 61628, 63616, 70432, 71176, 73472, 81344, 81508, 90241, 93152, 123256, 127232, 140864, 142352, 162688, 163016, 180482, 186304, 246512, 281728, 284704, 325376, 326032, 360964, 372608, 493024, 563456, 569408, 631687, 652064, 721928, 745216, 986048, 1138816, 1263374, 1304128, 1443856, 1972096, 2277632, 2526748, 2608256, 2887712, 3944192, 5053496, 5216512, 5775424, 10106992, 11550848, 20213984, 23101696, 40427968, 80855936, 161711872]

約数ペア:

[(1, 161711872), (2, 80855936), (4, 40427968), (7, 23101696), (8, 20213984), (14, 11550848), (16, 10106992), (28, 5775424), (31, 5216512), (32, 5053496), (41, 3944192), (56, 2887712), (62, 2608256), (64, 2526748), (71, 2277632), (82, 1972096), (112, 1443856), (124, 1304128), (128, 1263374), (142, 1138816), (164, 986048), (217, 745216), (224, 721928), (248, 652064), (256, 631687), (284, 569408), (287, 563456), (328, 493024), (434, 372608), (448, 360964), (496, 326032), (497, 325376), (568, 284704), (574, 281728), (656, 246512), (868, 186304), (896, 180482), (992, 163016), (994, 162688), (1136, 142352), (1148, 140864), (1271, 127232), (1312, 123256), (1736, 93152), (1792, 90241), (1984, 81508), (1988, 81344), (2201, 73472), (2272, 71176), (2296, 70432), (2542, 63616), (2624, 61628), (2911, 55552), (3472, 46576), (3968, 40754), (3976, 40672), (4402, 36736), (4544, 35588), (4592, 35216), (5084, 31808), (5248, 30814), (5822, 27776), (6944, 23288), (7936, 20377), (7952, 20336), (8804, 18368), (8897, 18176), (9088, 17794), (9184, 17608), (10168, 15904), (10496, 15407), (11644, 13888)]