646847488

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 176

約数和(自身を含む): 1584672768

約数和(自身を除く): 937825280

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, 512, 568, 574, 656, 868, 896, 992, 994, 1024, 1136, 1148, 1271, 1312, 1736, 1792, 1984, 1988, 2201, 2272, 2296, 2542, 2624, 2911, 3472, 3584, 3968, 3976, 4402, 4544, 4592, 5084, 5248, 5822, 6944, 7168, 7936, 7952, 8804, 8897, 9088, 9184, 10168, 10496, 11644, 13888, 15407, 15872, 15904, 17608, 17794, 18176, 18368, 20336, 20377, 20992, 23288, 27776, 30814, 31744, 31808, 35216, 35588, 36352, 36736, 40672, 40754, 41984, 46576, 55552, 61628, 63616, 70432, 71176, 72704, 73472, 81344, 81508, 90241, 93152, 111104, 123256, 127232, 140864, 142352, 146944, 162688, 163016, 180482, 186304, 222208, 246512, 254464, 281728, 284704, 293888, 325376, 326032, 360964, 372608, 493024, 508928, 563456, 569408, 631687, 650752, 652064, 721928, 745216, 986048, 1126912, 1138816, 1263374, 1301504, 1304128, 1443856, 1490432, 1972096, 2253824, 2277632, 2526748, 2608256, 2887712, 2980864, 3944192, 4555264, 5053496, 5216512, 5775424, 7888384, 9110528, 10106992, 10433024, 11550848, 15776768, 20213984, 20866048, 23101696, 40427968, 46203392, 80855936, 92406784, 161711872, 323423744, 646847488]

約数ペア:

[(1, 646847488), (2, 323423744), (4, 161711872), (7, 92406784), (8, 80855936), (14, 46203392), (16, 40427968), (28, 23101696), (31, 20866048), (32, 20213984), (41, 15776768), (56, 11550848), (62, 10433024), (64, 10106992), (71, 9110528), (82, 7888384), (112, 5775424), (124, 5216512), (128, 5053496), (142, 4555264), (164, 3944192), (217, 2980864), (224, 2887712), (248, 2608256), (256, 2526748), (284, 2277632), (287, 2253824), (328, 1972096), (434, 1490432), (448, 1443856), (496, 1304128), (497, 1301504), (512, 1263374), (568, 1138816), (574, 1126912), (656, 986048), (868, 745216), (896, 721928), (992, 652064), (994, 650752), (1024, 631687), (1136, 569408), (1148, 563456), (1271, 508928), (1312, 493024), (1736, 372608), (1792, 360964), (1984, 326032), (1988, 325376), (2201, 293888), (2272, 284704), (2296, 281728), (2542, 254464), (2624, 246512), (2911, 222208), (3472, 186304), (3584, 180482), (3968, 163016), (3976, 162688), (4402, 146944), (4544, 142352), (4592, 140864), (5084, 127232), (5248, 123256), (5822, 111104), (6944, 93152), (7168, 90241), (7936, 81508), (7952, 81344), (8804, 73472), (8897, 72704), (9088, 71176), (9184, 70432), (10168, 63616), (10496, 61628), (11644, 55552), (13888, 46576), (15407, 41984), (15872, 40754), (15904, 40672), (17608, 36736), (17794, 36352), (18176, 35588), (18368, 35216), (20336, 31808), (20377, 31744), (20992, 30814), (23288, 27776)]