1387309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 1774080

約数和(自身を除く): 386771

約数列:

[1, 7, 11, 43, 77, 301, 419, 473, 2933, 3311, 4609, 18017, 32263, 126119, 198187, 1387309]

約数ペア:

[(1, 1387309), (7, 198187), (11, 126119), (43, 32263), (77, 18017), (301, 4609), (419, 3311), (473, 2933)]