64720117

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 83238848

約数和(自身を除く): 18518731

約数列:

[1, 7, 11, 43, 77, 121, 301, 473, 847, 1777, 3311, 5203, 12439, 19547, 36421, 76411, 136829, 215017, 534877, 840521, 1505119, 5883647, 9245731, 64720117]

約数ペア:

[(1, 64720117), (7, 9245731), (11, 5883647), (43, 1505119), (77, 840521), (121, 534877), (301, 215017), (473, 136829), (847, 76411), (1777, 36421), (3311, 19547), (5203, 12439)]