489702941

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2647}}^1$

素因数の和:2793

約数の個数: 32

約数和(自身を含む): 640604160

約数和(自身を除く): 150901219

約数列:

[1, 7, 13, 19, 91, 107, 133, 247, 749, 1391, 1729, 2033, 2647, 9737, 14231, 18529, 26429, 34411, 50293, 185003, 240877, 283229, 352051, 653809, 1982603, 3681977, 4576663, 5381351, 25773839, 37669457, 69957563, 489702941]

約数ペア:

[(1, 489702941), (7, 69957563), (13, 37669457), (19, 25773839), (91, 5381351), (107, 4576663), (133, 3681977), (247, 1982603), (749, 653809), (1391, 352051), (1729, 283229), (2033, 240877), (2647, 185003), (9737, 50293), (14231, 34411), (18529, 26429)]