66839644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2089}}^1$

素因数の和:2533

約数の個数: 24

約数和(自身を含む): 123477200

約数和(自身を除く): 56637556

約数列:

[1, 2, 4, 19, 38, 76, 421, 842, 1684, 2089, 4178, 7999, 8356, 15998, 31996, 39691, 79382, 158764, 879469, 1758938, 3517876, 16709911, 33419822, 66839644]

約数ペア:

[(1, 66839644), (2, 33419822), (4, 16709911), (19, 3517876), (38, 1758938), (76, 879469), (421, 158764), (842, 79382), (1684, 39691), (2089, 31996), (4178, 15998), (7999, 8356)]