4057781

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 5499648

約数和(自身を除く): 1441867

約数列:

[1, 7, 13, 17, 43, 61, 91, 119, 221, 301, 427, 559, 731, 793, 1037, 1547, 2623, 3913, 5117, 5551, 7259, 9503, 13481, 18361, 34099, 44591, 66521, 94367, 238693, 312137, 579683, 4057781]

約数ペア:

[(1, 4057781), (7, 579683), (13, 312137), (17, 238693), (43, 94367), (61, 66521), (91, 44591), (119, 34099), (221, 18361), (301, 13481), (427, 9503), (559, 7259), (731, 5551), (793, 5117), (1037, 3913), (1547, 2623)]