1645490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2137}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 3694464

約数和(自身を除く): 2048974

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 2137, 4274, 10685, 14959, 21370, 23507, 29918, 47014, 74795, 117535, 149590, 164549, 235070, 329098, 822745, 1645490]

約数ペア:

[(1, 1645490), (2, 822745), (5, 329098), (7, 235070), (10, 164549), (11, 149590), (14, 117535), (22, 74795), (35, 47014), (55, 29918), (70, 23507), (77, 21370), (110, 14959), (154, 10685), (385, 4274), (770, 2137)]