858997436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{51511}}^1$

素因数の和:51905

約数の個数: 24

約数和(自身を含む): 1644263040

約数和(自身を除く): 785265604

約数列:

[1, 2, 4, 11, 22, 44, 379, 758, 1516, 4169, 8338, 16676, 51511, 103022, 206044, 566621, 1133242, 2266484, 19522669, 39045338, 78090676, 214749359, 429498718, 858997436]

約数ペア:

[(1, 858997436), (2, 429498718), (4, 214749359), (11, 78090676), (22, 39045338), (44, 19522669), (379, 2266484), (758, 1133242), (1516, 566621), (4169, 206044), (8338, 103022), (16676, 51511)]