199639013

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{10559}}^1$

素因数の和:10676

約数の個数: 16

約数和(自身を含む): 237557760

約数和(自身を除く): 37918747

約数列:

[1, 7, 37, 73, 259, 511, 2701, 10559, 18907, 73913, 390683, 770807, 2734781, 5395649, 28519859, 199639013]

約数ペア:

[(1, 199639013), (7, 28519859), (37, 5395649), (73, 2734781), (259, 770807), (511, 390683), (2701, 73913), (10559, 18907)]