256447047

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{6997}}^1$

素因数の和:7662

約数の個数: 16

約数和(自身を含む): 360536960

約数和(自身を除く): 104089913

約数列:

[1, 3, 19, 57, 643, 1929, 6997, 12217, 20991, 36651, 132943, 398829, 4499071, 13497213, 85482349, 256447047]

約数ペア:

[(1, 256447047), (3, 85482349), (19, 13497213), (57, 4499071), (643, 398829), (1929, 132943), (6997, 36651), (12217, 20991)]