78317239

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11177}}^1$

素因数の和:11215

約数の個数: 24

約数和(自身を含む): 107040528

約数和(自身を除く): 28723289

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 11177, 78239, 122947, 145301, 547673, 860629, 1017107, 1598311, 6024403, 7119749, 11188177, 78317239]

約数ペア:

[(1, 78317239), (7, 11188177), (11, 7119749), (13, 6024403), (49, 1598311), (77, 1017107), (91, 860629), (143, 547673), (539, 145301), (637, 122947), (1001, 78239), (7007, 11177)]