438700288

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2251

約数の個数: 72

約数和(自身を含む): 958950776

約数和(自身を除く): 520250488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 256, 416, 488, 793, 832, 976, 1586, 1664, 1952, 2161, 3172, 3328, 3904, 4322, 6344, 7808, 8644, 12688, 15616, 17288, 25376, 28093, 34576, 50752, 56186, 69152, 101504, 112372, 131821, 138304, 203008, 224744, 263642, 276608, 449488, 527284, 553216, 898976, 1054568, 1713673, 1797952, 2109136, 3427346, 3595904, 4218272, 6854692, 7191808, 8436544, 13709384, 16873088, 27418768, 33746176, 54837536, 109675072, 219350144, 438700288]

約数ペア:

[(1, 438700288), (2, 219350144), (4, 109675072), (8, 54837536), (13, 33746176), (16, 27418768), (26, 16873088), (32, 13709384), (52, 8436544), (61, 7191808), (64, 6854692), (104, 4218272), (122, 3595904), (128, 3427346), (208, 2109136), (244, 1797952), (256, 1713673), (416, 1054568), (488, 898976), (793, 553216), (832, 527284), (976, 449488), (1586, 276608), (1664, 263642), (1952, 224744), (2161, 203008), (3172, 138304), (3328, 131821), (3904, 112372), (4322, 101504), (6344, 69152), (7808, 56186), (8644, 50752), (12688, 34576), (15616, 28093), (17288, 25376)]