212842

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 381312

約数和(自身を除く): 168470

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 661, 1322, 4627, 9254, 15203, 30406, 106421, 212842]

約数ペア:

[(1, 212842), (2, 106421), (7, 30406), (14, 15203), (23, 9254), (46, 4627), (161, 1322), (322, 661)]