81968105

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{827}}^1$

素因数の和:1336

約数の個数: 16

約数和(自身を含む): 100989504

約数和(自身を除く): 19021399

約数列:

[1, 5, 43, 215, 461, 827, 2305, 4135, 19823, 35561, 99115, 177805, 381247, 1906235, 16393621, 81968105]

約数ペア:

[(1, 81968105), (5, 16393621), (43, 1906235), (215, 381247), (461, 177805), (827, 99115), (2305, 35561), (4135, 19823)]