388421788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{5110813}}^1$

素因数の和:5110836

約数の個数: 12

約数和(自身を含む): 715513960

約数和(自身を除く): 327092172

約数列:

[1, 2, 4, 19, 38, 76, 5110813, 10221626, 20443252, 97105447, 194210894, 388421788]

約数ペア:

[(1, 388421788), (2, 194210894), (4, 97105447), (19, 20443252), (38, 10221626), (76, 5110813)]