638496768

素因数分解:

$2^{12}\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:618

約数の個数: 208

約数和(自身を含む): 2098992896

約数和(自身を除く): 1460496128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 256, 273, 312, 336, 364, 384, 416, 448, 512, 546, 571, 624, 672, 728, 768, 832, 896, 1024, 1092, 1142, 1248, 1344, 1456, 1536, 1664, 1713, 1792, 2048, 2184, 2284, 2496, 2688, 2912, 3072, 3328, 3426, 3584, 3997, 4096, 4368, 4568, 4992, 5376, 5824, 6144, 6656, 6852, 7168, 7423, 7994, 8736, 9136, 9984, 10752, 11648, 11991, 12288, 13312, 13704, 14336, 14846, 15988, 17472, 18272, 19968, 21504, 22269, 23296, 23982, 26624, 27408, 28672, 29692, 31976, 34944, 36544, 39936, 43008, 44538, 46592, 47964, 51961, 53248, 54816, 59384, 63952, 69888, 73088, 79872, 86016, 89076, 93184, 95928, 103922, 109632, 118768, 127904, 139776, 146176, 155883, 159744, 178152, 186368, 191856, 207844, 219264, 237536, 255808, 279552, 292352, 311766, 356304, 372736, 383712, 415688, 438528, 475072, 511616, 559104, 584704, 623532, 712608, 767424, 831376, 877056, 950144, 1023232, 1118208, 1169408, 1247064, 1425216, 1534848, 1662752, 1754112, 1900288, 2046464, 2338816, 2494128, 2850432, 3069696, 3325504, 3508224, 3800576, 4092928, 4988256, 5700864, 6139392, 6651008, 7016448, 7601152, 8185856, 9976512, 11401728, 12278784, 13302016, 15202304, 16371712, 19953024, 22803456, 24557568, 26604032, 30404608, 39906048, 45606912, 49115136, 53208064, 79812096, 91213824, 106416128, 159624192, 212832256, 319248384, 638496768]

約数ペア:

[(1, 638496768), (2, 319248384), (3, 212832256), (4, 159624192), (6, 106416128), (7, 91213824), (8, 79812096), (12, 53208064), (13, 49115136), (14, 45606912), (16, 39906048), (21, 30404608), (24, 26604032), (26, 24557568), (28, 22803456), (32, 19953024), (39, 16371712), (42, 15202304), (48, 13302016), (52, 12278784), (56, 11401728), (64, 9976512), (78, 8185856), (84, 7601152), (91, 7016448), (96, 6651008), (104, 6139392), (112, 5700864), (128, 4988256), (156, 4092928), (168, 3800576), (182, 3508224), (192, 3325504), (208, 3069696), (224, 2850432), (256, 2494128), (273, 2338816), (312, 2046464), (336, 1900288), (364, 1754112), (384, 1662752), (416, 1534848), (448, 1425216), (512, 1247064), (546, 1169408), (571, 1118208), (624, 1023232), (672, 950144), (728, 877056), (768, 831376), (832, 767424), (896, 712608), (1024, 623532), (1092, 584704), (1142, 559104), (1248, 511616), (1344, 475072), (1456, 438528), (1536, 415688), (1664, 383712), (1713, 372736), (1792, 356304), (2048, 311766), (2184, 292352), (2284, 279552), (2496, 255808), (2688, 237536), (2912, 219264), (3072, 207844), (3328, 191856), (3426, 186368), (3584, 178152), (3997, 159744), (4096, 155883), (4368, 146176), (4568, 139776), (4992, 127904), (5376, 118768), (5824, 109632), (6144, 103922), (6656, 95928), (6852, 93184), (7168, 89076), (7423, 86016), (7994, 79872), (8736, 73088), (9136, 69888), (9984, 63952), (10752, 59384), (11648, 54816), (11991, 53248), (12288, 51961), (13312, 47964), (13704, 46592), (14336, 44538), (14846, 43008), (15988, 39936), (17472, 36544), (18272, 34944), (19968, 31976), (21504, 29692), (22269, 28672), (23296, 27408), (23982, 26624)]