56257487

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1997}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 66461472

約数和(自身を除く): 10203985

約数列:

[1, 11, 13, 143, 197, 1997, 2167, 2561, 21967, 25961, 28171, 285571, 393409, 4327499, 5114317, 56257487]

約数ペア:

[(1, 56257487), (11, 5114317), (13, 4327499), (143, 393409), (197, 285571), (1997, 28171), (2167, 25961), (2561, 21967)]