1296768256

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11863}}^1$

素因数の和:11947

約数の個数: 72

約数和(自身を含む): 3007001984

約数和(自身を除く): 1710233728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1708, 1792, 1952, 3416, 3904, 6832, 7808, 11863, 13664, 15616, 23726, 27328, 47452, 54656, 83041, 94904, 109312, 166082, 189808, 332164, 379616, 664328, 723643, 759232, 1328656, 1447286, 1518464, 2657312, 2894572, 3036928, 5065501, 5314624, 5789144, 10131002, 10629248, 11578288, 20262004, 21258496, 23156576, 40524008, 46313152, 81048016, 92626304, 162096032, 185252608, 324192064, 648384128, 1296768256]

約数ペア:

[(1, 1296768256), (2, 648384128), (4, 324192064), (7, 185252608), (8, 162096032), (14, 92626304), (16, 81048016), (28, 46313152), (32, 40524008), (56, 23156576), (61, 21258496), (64, 20262004), (112, 11578288), (122, 10629248), (128, 10131002), (224, 5789144), (244, 5314624), (256, 5065501), (427, 3036928), (448, 2894572), (488, 2657312), (854, 1518464), (896, 1447286), (976, 1328656), (1708, 759232), (1792, 723643), (1952, 664328), (3416, 379616), (3904, 332164), (6832, 189808), (7808, 166082), (11863, 109312), (13664, 94904), (15616, 83041), (23726, 54656), (27328, 47452)]