1640984816

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{227}}^1\times {\mathrm{2341}}^1$

素因数の和:2769

約数の個数: 40

約数和(自身を含む): 3211331664

約数和(自身を除く): 1570346848

約数列:

[1, 2, 4, 8, 16, 193, 227, 386, 454, 772, 908, 1544, 1816, 2341, 3088, 3632, 4682, 9364, 18728, 37456, 43811, 87622, 175244, 350488, 451813, 531407, 700976, 903626, 1062814, 1807252, 2125628, 3614504, 4251256, 7229008, 8502512, 102561551, 205123102, 410246204, 820492408, 1640984816]

約数ペア:

[(1, 1640984816), (2, 820492408), (4, 410246204), (8, 205123102), (16, 102561551), (193, 8502512), (227, 7229008), (386, 4251256), (454, 3614504), (772, 2125628), (908, 1807252), (1544, 1062814), (1816, 903626), (2341, 700976), (3088, 531407), (3632, 451813), (4682, 350488), (9364, 175244), (18728, 87622), (37456, 43811)]