204123456

素因数分解:

$2^6\times 3^3\times {\mathrm{118127}}^1$

素因数の和:118148

約数の個数: 56

約数和(自身を含む): 600090240

約数和(自身を除く): 395966784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728, 118127, 236254, 354381, 472508, 708762, 945016, 1063143, 1417524, 1890032, 2126286, 2835048, 3189429, 3780064, 4252572, 5670096, 6378858, 7560128, 8505144, 11340192, 12757716, 17010288, 22680384, 25515432, 34020576, 51030864, 68041152, 102061728, 204123456]

約数ペア:

[(1, 204123456), (2, 102061728), (3, 68041152), (4, 51030864), (6, 34020576), (8, 25515432), (9, 22680384), (12, 17010288), (16, 12757716), (18, 11340192), (24, 8505144), (27, 7560128), (32, 6378858), (36, 5670096), (48, 4252572), (54, 3780064), (64, 3189429), (72, 2835048), (96, 2126286), (108, 1890032), (144, 1417524), (192, 1063143), (216, 945016), (288, 708762), (432, 472508), (576, 354381), (864, 236254), (1728, 118127)]