12997387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 16

約数和(自身を含む): 14908320

約数和(自身を除く): 1910933

約数列:

[1, 13, 19, 101, 247, 521, 1313, 1919, 6773, 9899, 24947, 52621, 128687, 684073, 999799, 12997387]

約数ペア:

[(1, 12997387), (13, 999799), (19, 684073), (101, 128687), (247, 52621), (521, 24947), (1313, 9899), (1919, 6773)]