81569408

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 171849600

約数和(自身を除く): 90280192

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 103, 128, 184, 206, 269, 368, 412, 538, 736, 824, 1076, 1472, 1648, 2152, 2369, 2944, 3296, 4304, 4738, 6187, 6592, 8608, 9476, 12374, 13184, 17216, 18952, 24748, 27707, 34432, 37904, 49496, 55414, 75808, 98992, 110828, 151616, 197984, 221656, 303232, 395968, 443312, 637261, 791936, 886624, 1274522, 1773248, 2549044, 3546496, 5098088, 10196176, 20392352, 40784704, 81569408]

約数ペア:

[(1, 81569408), (2, 40784704), (4, 20392352), (8, 10196176), (16, 5098088), (23, 3546496), (32, 2549044), (46, 1773248), (64, 1274522), (92, 886624), (103, 791936), (128, 637261), (184, 443312), (206, 395968), (269, 303232), (368, 221656), (412, 197984), (538, 151616), (736, 110828), (824, 98992), (1076, 75808), (1472, 55414), (1648, 49496), (2152, 37904), (2369, 34432), (2944, 27707), (3296, 24748), (4304, 18952), (4738, 17216), (6187, 13184), (6592, 12374), (8608, 9476)]