278989103

素因数分解:

${\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{33601}}^1$

素因数の和:33662

約数の個数: 12

約数和(自身を含む): 307256688

約数和(自身を除く): 28267585

約数列:

[1, 19, 23, 361, 437, 8303, 33601, 638419, 772823, 12129961, 14683637, 278989103]

約数ペア:

[(1, 278989103), (19, 14683637), (23, 12129961), (361, 772823), (437, 638419), (8303, 33601)]