391781471

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{4451}}^1$

素因数の和:4606

約数の個数: 16

約数和(自身を含む): 423118080

約数和(自身を除く): 31336609

約数列:

[1, 23, 43, 89, 989, 2047, 3827, 4451, 88021, 102373, 191393, 396139, 4402039, 9111197, 17033977, 391781471]

約数ペア:

[(1, 391781471), (23, 17033977), (43, 9111197), (89, 4402039), (989, 396139), (2047, 191393), (3827, 102373), (4451, 88021)]