2989637

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 3820824

約数和(自身を除く): 831187

約数列:

[1, 7, 17, 37, 49, 97, 119, 259, 629, 679, 833, 1649, 1813, 3589, 4403, 4753, 11543, 25123, 30821, 61013, 80801, 175861, 427091, 2989637]

約数ペア:

[(1, 2989637), (7, 427091), (17, 175861), (37, 80801), (49, 61013), (97, 30821), (119, 25123), (259, 11543), (629, 4753), (679, 4403), (833, 3589), (1649, 1813)]