15996491

素因数分解:

$7^3\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:483

約数の個数: 16

約数和(自身を含む): 18840000

約数和(自身を除く): 2843509

約数列:

[1, 7, 49, 149, 313, 343, 1043, 2191, 7301, 15337, 46637, 51107, 107359, 326459, 2285213, 15996491]

約数ペア:

[(1, 15996491), (7, 2285213), (49, 326459), (149, 107359), (313, 51107), (343, 46637), (1043, 15337), (2191, 7301)]