20161243781

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1\times {\mathrm{50329}}^1$

素因数の和:51068

約数の個数: 16

約数和(自身を含む): 23337014400

約数和(自身を除く): 3175770619

約数列:

[1, 7, 89, 623, 643, 4501, 50329, 57227, 352303, 400589, 4479281, 31354967, 32361547, 226530829, 2880177683, 20161243781]

約数ペア:

[(1, 20161243781), (7, 2880177683), (89, 226530829), (623, 32361547), (643, 31354967), (4501, 4479281), (50329, 400589), (57227, 352303)]