1638644

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 3355968

約数和(自身を除く): 1717324

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1361, 2722, 5444, 9527, 19054, 38108, 58523, 117046, 234092, 409661, 819322, 1638644]

約数ペア:

[(1, 1638644), (2, 819322), (4, 409661), (7, 234092), (14, 117046), (28, 58523), (43, 38108), (86, 19054), (172, 9527), (301, 5444), (602, 2722), (1204, 1361)]