817140961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1613}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 1062915840

約数和(自身を除く): 245774879

約数列:

[1, 7, 13, 19, 91, 133, 247, 293, 1613, 1729, 2051, 3809, 5567, 11291, 20969, 26663, 30647, 38969, 72371, 146783, 214529, 398411, 472609, 506597, 2788877, 3308263, 6143917, 8979571, 43007419, 62856997, 116734423, 817140961]

約数ペア:

[(1, 817140961), (7, 116734423), (13, 62856997), (19, 43007419), (91, 8979571), (133, 6143917), (247, 3308263), (293, 2788877), (1613, 506597), (1729, 472609), (2051, 398411), (3809, 214529), (5567, 146783), (11291, 72371), (20969, 38969), (26663, 30647)]