28205121616

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1811737}}^1$

素因数の和:1811891

約数の個数: 40

約数和(自身を含む): 62903543360

約数和(自身を除く): 34698421744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 7784, 15568, 1811737, 3623474, 7246948, 12682159, 14493896, 25364318, 28987792, 50728636, 101457272, 202914544, 251831443, 503662886, 1007325772, 1762820101, 2014651544, 3525640202, 4029303088, 7051280404, 14102560808, 28205121616]

約数ペア:

[(1, 28205121616), (2, 14102560808), (4, 7051280404), (7, 4029303088), (8, 3525640202), (14, 2014651544), (16, 1762820101), (28, 1007325772), (56, 503662886), (112, 251831443), (139, 202914544), (278, 101457272), (556, 50728636), (973, 28987792), (1112, 25364318), (1946, 14493896), (2224, 12682159), (3892, 7246948), (7784, 3623474), (15568, 1811737)]