2556367863

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6406937}}^1$

素因数の和:6406966

約数の個数: 16

約数和(自身を含む): 4100440320

約数和(自身を除く): 1544072457

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6406937, 19220811, 44848559, 121731803, 134545677, 365195409, 852122621, 2556367863]

約数ペア:

[(1, 2556367863), (3, 852122621), (7, 365195409), (19, 134545677), (21, 121731803), (57, 44848559), (133, 19220811), (399, 6406937)]