13122445

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2819}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 19288800

約数和(自身を除く): 6166355

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 2819, 4655, 14095, 19733, 53561, 98665, 138131, 267805, 374927, 690655, 1874635, 2624489, 13122445]

約数ペア:

[(1, 13122445), (5, 2624489), (7, 1874635), (19, 690655), (35, 374927), (49, 267805), (95, 138131), (133, 98665), (245, 53561), (665, 19733), (931, 14095), (2819, 4655)]