26720456

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1901}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 57516480

約数和(自身を除く): 30796024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 1901, 2008, 3514, 3802, 7028, 7604, 13307, 14056, 15208, 26614, 53228, 106456, 477151, 954302, 1908604, 3340057, 3817208, 6680114, 13360228, 26720456]

約数ペア:

[(1, 26720456), (2, 13360228), (4, 6680114), (7, 3817208), (8, 3340057), (14, 1908604), (28, 954302), (56, 477151), (251, 106456), (502, 53228), (1004, 26614), (1757, 15208), (1901, 14056), (2008, 13307), (3514, 7604), (3802, 7028)]