128032156

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{2473}}^1$

素因数の和:2570

約数の個数: 36

約数和(自身を含む): 262263792

約数和(自身を除く): 134231636

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1849, 2473, 3698, 4946, 7396, 9892, 12943, 17311, 25886, 34622, 51772, 69244, 106339, 212678, 425356, 744373, 1488746, 2977492, 4572577, 9145154, 18290308, 32008039, 64016078, 128032156]

約数ペア:

[(1, 128032156), (2, 64016078), (4, 32008039), (7, 18290308), (14, 9145154), (28, 4572577), (43, 2977492), (86, 1488746), (172, 744373), (301, 425356), (602, 212678), (1204, 106339), (1849, 69244), (2473, 51772), (3698, 34622), (4946, 25886), (7396, 17311), (9892, 12943)]