2720720807

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{87559}}^1$

素因数の和:87782

約数の個数: 16

約数和(自身を含む): 3261434880

約数和(自身を除く): 540714073

約数列:

[1, 7, 23, 161, 193, 1351, 4439, 31073, 87559, 612913, 2013857, 14096999, 16898887, 118292209, 388674401, 2720720807]

約数ペア:

[(1, 2720720807), (7, 388674401), (23, 118292209), (161, 16898887), (193, 14096999), (1351, 2013857), (4439, 612913), (31073, 87559)]