128764544

素因数分解:

$2^7\times {\mathrm{997}}^1\times {\mathrm{1009}}^1$

素因数の和:2020

約数の個数: 32

約数和(自身を含む): 257034900

約数和(自身を除く): 128270356

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 997, 1009, 1994, 2018, 3988, 4036, 7976, 8072, 15952, 16144, 31904, 32288, 63808, 64576, 127616, 129152, 1005973, 2011946, 4023892, 8047784, 16095568, 32191136, 64382272, 128764544]

約数ペア:

[(1, 128764544), (2, 64382272), (4, 32191136), (8, 16095568), (16, 8047784), (32, 4023892), (64, 2011946), (128, 1005973), (997, 129152), (1009, 127616), (1994, 64576), (2018, 63808), (3988, 32288), (4036, 31904), (7976, 16144), (8072, 15952)]