81609364

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{1993}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 148233960

約数和(自身を除く): 66624596

約数列:

[1, 2, 4, 29, 58, 116, 353, 706, 1412, 1993, 3986, 7972, 10237, 20474, 40948, 57797, 115594, 231188, 703529, 1407058, 2814116, 20402341, 40804682, 81609364]

約数ペア:

[(1, 81609364), (2, 40804682), (4, 20402341), (29, 2814116), (58, 1407058), (116, 703529), (353, 231188), (706, 115594), (1412, 57797), (1993, 40948), (3986, 20474), (7972, 10237)]