398246368

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2161}}^1$

素因数の和:2627

約数の個数: 48

約数和(自身を含む): 846656496

約数和(自身を除く): 448410128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 443, 886, 1772, 2161, 3544, 4322, 5759, 7088, 8644, 11518, 14176, 17288, 23036, 28093, 34576, 46072, 56186, 69152, 92144, 112372, 184288, 224744, 449488, 898976, 957323, 1914646, 3829292, 7658584, 12445199, 15317168, 24890398, 30634336, 49780796, 99561592, 199123184, 398246368]

約数ペア:

[(1, 398246368), (2, 199123184), (4, 99561592), (8, 49780796), (13, 30634336), (16, 24890398), (26, 15317168), (32, 12445199), (52, 7658584), (104, 3829292), (208, 1914646), (416, 957323), (443, 898976), (886, 449488), (1772, 224744), (2161, 184288), (3544, 112372), (4322, 92144), (5759, 69152), (7088, 56186), (8644, 46072), (11518, 34576), (14176, 28093), (17288, 23036)]