16666237

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1788

約数の個数: 16

約数和(自身を含む): 20212992

約数和(自身を除く): 3546755

約数列:

[1, 7, 23, 61, 161, 427, 1403, 1697, 9821, 11879, 39031, 103517, 273217, 724619, 2380891, 16666237]

約数ペア:

[(1, 16666237), (7, 2380891), (23, 724619), (61, 273217), (161, 103517), (427, 39031), (1403, 11879), (1697, 9821)]