16200121

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 19160064

約数和(自身を除く): 2959943

約数列:

[1, 7, 43, 107, 301, 503, 749, 3521, 4601, 21629, 32207, 53821, 151403, 376747, 2314303, 16200121]

約数ペア:

[(1, 16200121), (7, 2314303), (43, 376747), (107, 151403), (301, 53821), (503, 32207), (749, 21629), (3521, 4601)]