26857456

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 53905280

約数和(自身を除く): 27047824

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 344, 379, 412, 688, 758, 824, 1516, 1648, 3032, 4429, 6064, 8858, 16297, 17716, 32594, 35432, 39037, 65188, 70864, 78074, 130376, 156148, 260752, 312296, 624592, 1678591, 3357182, 6714364, 13428728, 26857456]

約数ペア:

[(1, 26857456), (2, 13428728), (4, 6714364), (8, 3357182), (16, 1678591), (43, 624592), (86, 312296), (103, 260752), (172, 156148), (206, 130376), (344, 78074), (379, 70864), (412, 65188), (688, 39037), (758, 35432), (824, 32594), (1516, 17716), (1648, 16297), (3032, 8858), (4429, 6064)]