857306738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{433421}}^1$

素因数の和:433489

約数の個数: 16

約数和(自身を含む): 1373080896

約数和(自身を除く): 515774158

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 433421, 866842, 9968683, 18637103, 19937366, 37274206, 428653369, 857306738]

約数ペア:

[(1, 857306738), (2, 428653369), (23, 37274206), (43, 19937366), (46, 18637103), (86, 9968683), (989, 866842), (1978, 433421)]