681390073

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1307}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 891281664

約数和(自身を除く): 209891591

約数列:

[1, 7, 13, 17, 91, 119, 221, 337, 1307, 1547, 2359, 4381, 5729, 9149, 16991, 22219, 30667, 40103, 74477, 118937, 155533, 288847, 440459, 521339, 2021929, 3083213, 5725967, 7487803, 40081769, 52414621, 97341439, 681390073]

約数ペア:

[(1, 681390073), (7, 97341439), (13, 52414621), (17, 40081769), (91, 7487803), (119, 5725967), (221, 3083213), (337, 2021929), (1307, 521339), (1547, 440459), (2359, 288847), (4381, 155533), (5729, 118937), (9149, 74477), (16991, 40103), (22219, 30667)]