56781319

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2777}}^1$

素因数の和:2934

約数の個数: 16

約数和(自身を含む): 68272128

約数和(自身を除く): 11490809

約数列:

[1, 7, 23, 127, 161, 889, 2777, 2921, 19439, 20447, 63871, 352679, 447097, 2468753, 8111617, 56781319]

約数ペア:

[(1, 56781319), (7, 8111617), (23, 2468753), (127, 447097), (161, 352679), (889, 63871), (2777, 20447), (2921, 19439)]