16640858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37649}}^1$

素因数の和:37681

約数の個数: 16

約数和(自身を含む): 28463400

約数和(自身を除く): 11822542

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 37649, 75298, 489437, 640033, 978874, 1280066, 8320429, 16640858]

約数ペア:

[(1, 16640858), (2, 8320429), (13, 1280066), (17, 978874), (26, 640033), (34, 489437), (221, 75298), (442, 37649)]