16856147

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{2843}}^1$

素因数の和:2879

約数の個数: 18

約数和(自身を含む): 21560364

約数和(自身を除く): 4704217

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 2843, 5929, 19901, 31273, 139307, 218911, 344003, 1532377, 2408021, 16856147]

約数ペア:

[(1, 16856147), (7, 2408021), (11, 1532377), (49, 344003), (77, 218911), (121, 139307), (539, 31273), (847, 19901), (2843, 5929)]