261257856

素因数分解:

$2^7\times 3^1\times {\mathrm{229}}^1\times {\mathrm{2971}}^1$

素因数の和:3217

約数の個数: 64

約数和(自身を含む): 697231200

約数和(自身を除く): 435973344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 229, 384, 458, 687, 916, 1374, 1832, 2748, 2971, 3664, 5496, 5942, 7328, 8913, 10992, 11884, 14656, 17826, 21984, 23768, 29312, 35652, 43968, 47536, 71304, 87936, 95072, 142608, 190144, 285216, 380288, 570432, 680359, 1140864, 1360718, 2041077, 2721436, 4082154, 5442872, 8164308, 10885744, 16328616, 21771488, 32657232, 43542976, 65314464, 87085952, 130628928, 261257856]

約数ペア:

[(1, 261257856), (2, 130628928), (3, 87085952), (4, 65314464), (6, 43542976), (8, 32657232), (12, 21771488), (16, 16328616), (24, 10885744), (32, 8164308), (48, 5442872), (64, 4082154), (96, 2721436), (128, 2041077), (192, 1360718), (229, 1140864), (384, 680359), (458, 570432), (687, 380288), (916, 285216), (1374, 190144), (1832, 142608), (2748, 95072), (2971, 87936), (3664, 71304), (5496, 47536), (5942, 43968), (7328, 35652), (8913, 29312), (10992, 23768), (11884, 21984), (14656, 17826)]