1640609894

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{28109}}^1$

素因数の和:28508

約数の個数: 32

約数和(自身を含む): 3076358400

約数和(自身を除く): 1435748506

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 379, 758, 2653, 4169, 5306, 8338, 28109, 29183, 56218, 58366, 196763, 309199, 393526, 618398, 2164393, 4328786, 10653311, 21306622, 74573177, 117186421, 149146354, 234372842, 820304947, 1640609894]

約数ペア:

[(1, 1640609894), (2, 820304947), (7, 234372842), (11, 149146354), (14, 117186421), (22, 74573177), (77, 21306622), (154, 10653311), (379, 4328786), (758, 2164393), (2653, 618398), (4169, 393526), (5306, 309199), (8338, 196763), (28109, 58366), (29183, 56218)]