51274496

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 131862528

約数和(自身を除く): 80588032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 71, 91, 104, 112, 124, 128, 142, 182, 208, 217, 224, 248, 256, 284, 364, 403, 416, 434, 448, 496, 497, 568, 728, 806, 832, 868, 896, 923, 992, 994, 1136, 1456, 1612, 1664, 1736, 1792, 1846, 1984, 1988, 2201, 2272, 2821, 2912, 3224, 3328, 3472, 3692, 3968, 3976, 4402, 4544, 5642, 5824, 6448, 6461, 6944, 7384, 7936, 7952, 8804, 9088, 11284, 11648, 12896, 12922, 13888, 14768, 15407, 15904, 17608, 18176, 22568, 23296, 25792, 25844, 27776, 28613, 29536, 30814, 31808, 35216, 45136, 51584, 51688, 55552, 57226, 59072, 61628, 63616, 70432, 90272, 103168, 103376, 114452, 118144, 123256, 127232, 140864, 180544, 200291, 206752, 228904, 236288, 246512, 281728, 361088, 400582, 413504, 457808, 493024, 563456, 722176, 801164, 827008, 915616, 986048, 1602328, 1654016, 1831232, 1972096, 3204656, 3662464, 3944192, 6409312, 7324928, 12818624, 25637248, 51274496]

約数ペア:

[(1, 51274496), (2, 25637248), (4, 12818624), (7, 7324928), (8, 6409312), (13, 3944192), (14, 3662464), (16, 3204656), (26, 1972096), (28, 1831232), (31, 1654016), (32, 1602328), (52, 986048), (56, 915616), (62, 827008), (64, 801164), (71, 722176), (91, 563456), (104, 493024), (112, 457808), (124, 413504), (128, 400582), (142, 361088), (182, 281728), (208, 246512), (217, 236288), (224, 228904), (248, 206752), (256, 200291), (284, 180544), (364, 140864), (403, 127232), (416, 123256), (434, 118144), (448, 114452), (496, 103376), (497, 103168), (568, 90272), (728, 70432), (806, 63616), (832, 61628), (868, 59072), (896, 57226), (923, 55552), (992, 51688), (994, 51584), (1136, 45136), (1456, 35216), (1612, 31808), (1664, 30814), (1736, 29536), (1792, 28613), (1846, 27776), (1984, 25844), (1988, 25792), (2201, 23296), (2272, 22568), (2821, 18176), (2912, 17608), (3224, 15904), (3328, 15407), (3472, 14768), (3692, 13888), (3968, 12922), (3976, 12896), (4402, 11648), (4544, 11284), (5642, 9088), (5824, 8804), (6448, 7952), (6461, 7936), (6944, 7384)]