280408037

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{919}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 352396800

約数和(自身を除く): 71988763

約数列:

[1, 7, 13, 49, 91, 479, 637, 919, 3353, 6227, 6433, 11947, 23471, 43589, 45031, 83629, 305123, 440201, 585403, 3081407, 5722613, 21569849, 40058291, 280408037]

約数ペア:

[(1, 280408037), (7, 40058291), (13, 21569849), (49, 5722613), (91, 3081407), (479, 585403), (637, 440201), (919, 305123), (3353, 83629), (6227, 45031), (6433, 43589), (11947, 23471)]