389156978

素因数分解:

$2^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{53149}}^1$

素因数の和:53681

約数の個数: 16

約数和(自身を含む): 668414400

約数和(自身を除く): 279257422

約数列:

[1, 2, 7, 14, 523, 1046, 3661, 7322, 53149, 106298, 372043, 744086, 27796927, 55593854, 194578489, 389156978]

約数ペア:

[(1, 389156978), (2, 194578489), (7, 55593854), (14, 27796927), (523, 744086), (1046, 372043), (3661, 106298), (7322, 53149)]