7197421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 9036288

約数和(自身を除く): 1838867

約数列:

[1, 7, 11, 77, 211, 443, 1477, 2321, 3101, 4873, 16247, 34111, 93473, 654311, 1028203, 7197421]

約数ペア:

[(1, 7197421), (7, 1028203), (11, 654311), (77, 93473), (211, 34111), (443, 16247), (1477, 4873), (2321, 3101)]