251908629

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{947}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 393154560

約数和(自身を除く): 141245931

約数列:

[1, 3, 7, 21, 53, 159, 239, 371, 717, 947, 1113, 1673, 2841, 5019, 6629, 12667, 19887, 38001, 50191, 88669, 150573, 226333, 266007, 351337, 678999, 1054011, 1584331, 4752993, 11995649, 35986947, 83969543, 251908629]

約数ペア:

[(1, 251908629), (3, 83969543), (7, 35986947), (21, 11995649), (53, 4752993), (159, 1584331), (239, 1054011), (371, 678999), (717, 351337), (947, 266007), (1113, 226333), (1673, 150573), (2841, 88669), (5019, 50191), (6629, 38001), (12667, 19887)]