16904965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 26634240

約数和(自身を除く): 9729275

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2311, 7315, 11555, 16177, 25421, 43909, 80885, 127105, 177947, 219545, 307363, 482999, 889735, 1536815, 2414995, 3380993, 16904965]

約数ペア:

[(1, 16904965), (5, 3380993), (7, 2414995), (11, 1536815), (19, 889735), (35, 482999), (55, 307363), (77, 219545), (95, 177947), (133, 127105), (209, 80885), (385, 43909), (665, 25421), (1045, 16177), (1463, 11555), (2311, 7315)]