16621810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 14513294

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 571, 710, 1142, 2855, 2911, 5710, 5822, 14555, 23411, 29110, 40541, 46822, 81082, 117055, 202705, 234110, 405410, 1662181, 3324362, 8310905, 16621810]

約数ペア:

[(1, 16621810), (2, 8310905), (5, 3324362), (10, 1662181), (41, 405410), (71, 234110), (82, 202705), (142, 117055), (205, 81082), (355, 46822), (410, 40541), (571, 29110), (710, 23411), (1142, 14555), (2855, 5822), (2911, 5710)]