256231444

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{115837}}^1$

素因数の和:115927

約数の個数: 24

約数和(自身を含む): 518954240

約数和(自身を除く): 262722796

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 115837, 231674, 463348, 810859, 1621718, 3243436, 9151123, 18302246, 36604492, 64057861, 128115722, 256231444]

約数ペア:

[(1, 256231444), (2, 128115722), (4, 64057861), (7, 36604492), (14, 18302246), (28, 9151123), (79, 3243436), (158, 1621718), (316, 810859), (553, 463348), (1106, 231674), (2212, 115837)]