208032275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{68771}}^1$

素因数の和:68803

約数の個数: 18

約数和(自身を含む): 283546956

約数和(自身を除く): 75514681

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 68771, 343855, 756481, 1719275, 3782405, 8321291, 18912025, 41606455, 208032275]

約数ペア:

[(1, 208032275), (5, 41606455), (11, 18912025), (25, 8321291), (55, 3782405), (121, 1719275), (275, 756481), (605, 343855), (3025, 68771)]