1277855488

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2942

約数の個数: 144

約数和(自身を含む): 3305720320

約数和(自身を除く): 2027864832

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 256, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 896, 988, 1064, 1216, 1456, 1664, 1729, 1792, 1976, 2128, 2432, 2887, 2912, 3328, 3458, 3952, 4256, 4864, 5774, 5824, 6916, 7904, 8512, 11548, 11648, 13832, 15808, 17024, 20209, 23096, 23296, 27664, 31616, 34048, 37531, 40418, 46192, 54853, 55328, 63232, 75062, 80836, 92384, 109706, 110656, 150124, 161672, 184768, 219412, 221312, 262717, 300248, 323344, 369536, 383971, 438824, 442624, 525434, 600496, 646688, 713089, 739072, 767942, 877648, 1050868, 1200992, 1293376, 1426178, 1535884, 1755296, 2101736, 2401984, 2586752, 2852356, 3071768, 3510592, 4203472, 4803968, 4991623, 5173504, 5704712, 6143536, 7021184, 8406944, 9607936, 9983246, 11409424, 12287072, 14042368, 16813888, 19966492, 22818848, 24574144, 33627776, 39932984, 45637696, 49148288, 67255552, 79865968, 91275392, 98296576, 159731936, 182550784, 319463872, 638927744, 1277855488]

約数ペア:

[(1, 1277855488), (2, 638927744), (4, 319463872), (7, 182550784), (8, 159731936), (13, 98296576), (14, 91275392), (16, 79865968), (19, 67255552), (26, 49148288), (28, 45637696), (32, 39932984), (38, 33627776), (52, 24574144), (56, 22818848), (64, 19966492), (76, 16813888), (91, 14042368), (104, 12287072), (112, 11409424), (128, 9983246), (133, 9607936), (152, 8406944), (182, 7021184), (208, 6143536), (224, 5704712), (247, 5173504), (256, 4991623), (266, 4803968), (304, 4203472), (364, 3510592), (416, 3071768), (448, 2852356), (494, 2586752), (532, 2401984), (608, 2101736), (728, 1755296), (832, 1535884), (896, 1426178), (988, 1293376), (1064, 1200992), (1216, 1050868), (1456, 877648), (1664, 767942), (1729, 739072), (1792, 713089), (1976, 646688), (2128, 600496), (2432, 525434), (2887, 442624), (2912, 438824), (3328, 383971), (3458, 369536), (3952, 323344), (4256, 300248), (4864, 262717), (5774, 221312), (5824, 219412), (6916, 184768), (7904, 161672), (8512, 150124), (11548, 110656), (11648, 109706), (13832, 92384), (15808, 80836), (17024, 75062), (20209, 63232), (23096, 55328), (23296, 54853), (27664, 46192), (31616, 40418), (34048, 37531)]