31193318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27901}}^1$

素因数の和:27959

約数の個数: 16

約数和(自身を含む): 51562896

約数和(自身を除く): 20369578

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 27901, 55802, 362713, 725426, 1199743, 2399486, 15596659, 31193318]

約数ペア:

[(1, 31193318), (2, 15596659), (13, 2399486), (26, 1199743), (43, 725426), (86, 362713), (559, 55802), (1118, 27901)]