260761984

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4099}}^1$

素因数の和:4191

約数の個数: 64

約数和(自身を含む): 602208000

約数和(自身を除く): 341446016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2272, 3976, 4099, 4544, 7952, 8198, 9088, 15904, 16396, 28693, 31808, 32792, 57386, 63616, 65584, 114772, 131168, 229544, 262336, 291029, 459088, 524672, 582058, 918176, 1164116, 1836352, 2037203, 2328232, 3672704, 4074406, 4656464, 8148812, 9312928, 16297624, 18625856, 32595248, 37251712, 65190496, 130380992, 260761984]

約数ペア:

[(1, 260761984), (2, 130380992), (4, 65190496), (7, 37251712), (8, 32595248), (14, 18625856), (16, 16297624), (28, 9312928), (32, 8148812), (56, 4656464), (64, 4074406), (71, 3672704), (112, 2328232), (128, 2037203), (142, 1836352), (224, 1164116), (284, 918176), (448, 582058), (497, 524672), (568, 459088), (896, 291029), (994, 262336), (1136, 229544), (1988, 131168), (2272, 114772), (3976, 65584), (4099, 63616), (4544, 57386), (7952, 32792), (8198, 31808), (9088, 28693), (15904, 16396)]