258515008

素因数分解:

$2^6\times {\mathrm{193}}^1\times {\mathrm{20929}}^1$

素因数の和:21134

約数の個数: 28

約数和(自身を含む): 515673340

約数和(自身を除く): 257158332

約数列:

[1, 2, 4, 8, 16, 32, 64, 193, 386, 772, 1544, 3088, 6176, 12352, 20929, 41858, 83716, 167432, 334864, 669728, 1339456, 4039297, 8078594, 16157188, 32314376, 64628752, 129257504, 258515008]

約数ペア:

[(1, 258515008), (2, 129257504), (4, 64628752), (8, 32314376), (16, 16157188), (32, 8078594), (64, 4039297), (193, 1339456), (386, 669728), (772, 334864), (1544, 167432), (3088, 83716), (6176, 41858), (12352, 20929)]