16990547

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 20308992

約数和(自身を除く): 3318445

約数列:

[1, 7, 43, 47, 301, 329, 1201, 2021, 8407, 14147, 51643, 56447, 361501, 395129, 2427221, 16990547]

約数ペア:

[(1, 16990547), (7, 2427221), (43, 395129), (47, 361501), (301, 56447), (329, 51643), (1201, 14147), (2021, 8407)]