291490256

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{170263}}^1$

素因数の和:170378

約数の個数: 20

約数和(自身を含む): 570043872

約数和(自身を除く): 278553616

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 170263, 340526, 681052, 1362104, 2724208, 18218141, 36436282, 72872564, 145745128, 291490256]

約数ペア:

[(1, 291490256), (2, 145745128), (4, 72872564), (8, 36436282), (16, 18218141), (107, 2724208), (214, 1362104), (428, 681052), (856, 340526), (1712, 170263)]