820143709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{81307}}^1$

素因数の和:81456

約数の個数: 16

約数和(自身を含む): 1030334976

約数和(自身を除く): 210191267

約数列:

[1, 7, 11, 77, 131, 917, 1441, 10087, 81307, 569149, 894377, 6260639, 10651217, 74558519, 117163387, 820143709]

約数ペア:

[(1, 820143709), (7, 117163387), (11, 74558519), (77, 10651217), (131, 6260639), (917, 894377), (1441, 569149), (10087, 81307)]