39978211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{15149}}^1$

素因数の和:15198

約数の個数: 16

約数和(自身を含む): 50904000

約数和(自身を除く): 10925789

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 15149, 106043, 196937, 439321, 1378559, 3075247, 5711173, 39978211]

約数ペア:

[(1, 39978211), (7, 5711173), (13, 3075247), (29, 1378559), (91, 439321), (203, 196937), (377, 106043), (2639, 15149)]