128642816

素因数分解:

$2^8\times {\mathrm{113}}^1\times {\mathrm{4447}}^1$

素因数の和:4576

約数の個数: 36

約数和(自身を含む): 259113792

約数和(自身を除く): 130470976

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 904, 1808, 3616, 4447, 7232, 8894, 14464, 17788, 28928, 35576, 71152, 142304, 284608, 502511, 569216, 1005022, 1138432, 2010044, 4020088, 8040176, 16080352, 32160704, 64321408, 128642816]

約数ペア:

[(1, 128642816), (2, 64321408), (4, 32160704), (8, 16080352), (16, 8040176), (32, 4020088), (64, 2010044), (113, 1138432), (128, 1005022), (226, 569216), (256, 502511), (452, 284608), (904, 142304), (1808, 71152), (3616, 35576), (4447, 28928), (7232, 17788), (8894, 14464)]