256220713

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{54877}}^1$

素因数の和:54936

約数の個数: 16

約数和(自身を含む): 316097280

約数和(自身を除く): 59876567

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 54877, 384139, 1262171, 1591433, 8835197, 11140031, 36602959, 256220713]

約数ペア:

[(1, 256220713), (7, 36602959), (23, 11140031), (29, 8835197), (161, 1591433), (203, 1262171), (667, 384139), (4669, 54877)]