819691369

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 1003622400

約数和(自身を除く): 183931031

約数列:

[1, 7, 19, 107, 133, 239, 241, 749, 1673, 1687, 2033, 4541, 4579, 14231, 25573, 25787, 31787, 32053, 57599, 179011, 180509, 403193, 485887, 489953, 1094381, 3401209, 3429671, 6163093, 7660667, 43141651, 117098767, 819691369]

約数ペア:

[(1, 819691369), (7, 117098767), (19, 43141651), (107, 7660667), (133, 6163093), (239, 3429671), (241, 3401209), (749, 1094381), (1673, 489953), (1687, 485887), (2033, 403193), (4541, 180509), (4579, 179011), (14231, 57599), (25573, 32053), (25787, 31787)]