2181779999

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{11399}}^1$

素因数の和:12182

約数の個数: 16

約数和(自身を含む): 2564544000

約数和(自身を除く): 382764001

約数列:

[1, 7, 37, 259, 739, 5173, 11399, 27343, 79793, 191401, 421763, 2952341, 8423861, 58967027, 311682857, 2181779999]

約数ペア:

[(1, 2181779999), (7, 311682857), (37, 58967027), (259, 8423861), (739, 2952341), (5173, 421763), (11399, 191401), (27343, 79793)]