189778897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{129719}}^1$

素因数の和:129756

約数の個数: 16

約数和(自身を含む): 249062400

約数和(自身を除く): 59283503

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 129719, 908033, 1426909, 2464661, 9988363, 17252627, 27111271, 189778897]

約数ペア:

[(1, 189778897), (7, 27111271), (11, 17252627), (19, 9988363), (77, 2464661), (133, 1426909), (209, 908033), (1463, 129719)]