128531072

素因数分解:

$2^7\times {\mathrm{211}}^1\times {\mathrm{4759}}^1$

素因数の和:4984

約数の個数: 32

約数和(自身を含む): 257325600

約数和(自身を除く): 128794528

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 422, 844, 1688, 3376, 4759, 6752, 9518, 13504, 19036, 27008, 38072, 76144, 152288, 304576, 609152, 1004149, 2008298, 4016596, 8033192, 16066384, 32132768, 64265536, 128531072]

約数ペア:

[(1, 128531072), (2, 64265536), (4, 32132768), (8, 16066384), (16, 8033192), (32, 4016596), (64, 2008298), (128, 1004149), (211, 609152), (422, 304576), (844, 152288), (1688, 76144), (3376, 38072), (4759, 27008), (6752, 19036), (9518, 13504)]