1277362688

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11497}}^1$

素因数の和:11553

約数の個数: 80

約数和(自身を含む): 3011188224

約数和(自身を除く): 1733825536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 3472, 3584, 3968, 6944, 7936, 11497, 13888, 15872, 22994, 27776, 45988, 55552, 80479, 91976, 111104, 160958, 183952, 321916, 356407, 367904, 643832, 712814, 735808, 1287664, 1425628, 1471616, 2494849, 2575328, 2851256, 2943232, 4989698, 5150656, 5702512, 5886464, 9979396, 10301312, 11405024, 19958792, 20602624, 22810048, 39917584, 41205248, 45620096, 79835168, 91240192, 159670336, 182480384, 319340672, 638681344, 1277362688]

約数ペア:

[(1, 1277362688), (2, 638681344), (4, 319340672), (7, 182480384), (8, 159670336), (14, 91240192), (16, 79835168), (28, 45620096), (31, 41205248), (32, 39917584), (56, 22810048), (62, 20602624), (64, 19958792), (112, 11405024), (124, 10301312), (128, 9979396), (217, 5886464), (224, 5702512), (248, 5150656), (256, 4989698), (434, 2943232), (448, 2851256), (496, 2575328), (512, 2494849), (868, 1471616), (896, 1425628), (992, 1287664), (1736, 735808), (1792, 712814), (1984, 643832), (3472, 367904), (3584, 356407), (3968, 321916), (6944, 183952), (7936, 160958), (11497, 111104), (13888, 91976), (15872, 80479), (22994, 55552), (27776, 45988)]