2839208687

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2221}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 3453947904

約数和(自身を除く): 614739217

約数列:

[1, 7, 31, 43, 137, 217, 301, 959, 1333, 2221, 4247, 5891, 9331, 15547, 29729, 41237, 68851, 95503, 182621, 304277, 481957, 668521, 1278347, 2129939, 2960593, 9432587, 13083911, 20724151, 66028109, 91587377, 405601241, 2839208687]

約数ペア:

[(1, 2839208687), (7, 405601241), (31, 91587377), (43, 66028109), (137, 20724151), (217, 13083911), (301, 9432587), (959, 2960593), (1333, 2129939), (2221, 1278347), (4247, 668521), (5891, 481957), (9331, 304277), (15547, 182621), (29729, 95503), (41237, 68851)]