256543286027

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2971}}^1\times {\mathrm{13691}}^1$

素因数の和:16739

約数の個数: 32

約数和(自身を含む): 316425844224

約数和(自身を除く): 59882558197

約数列:

[1, 7, 17, 53, 119, 371, 901, 2971, 6307, 13691, 20797, 50507, 95837, 157463, 232747, 353549, 725623, 1102241, 1629229, 2676871, 5079361, 12335591, 18738097, 40675961, 86349137, 284731727, 691491337, 2155825933, 4840439359, 15090781531, 36649040861, 256543286027]

約数ペア:

[(1, 256543286027), (7, 36649040861), (17, 15090781531), (53, 4840439359), (119, 2155825933), (371, 691491337), (901, 284731727), (2971, 86349137), (6307, 40675961), (13691, 18738097), (20797, 12335591), (50507, 5079361), (95837, 2676871), (157463, 1629229), (232747, 1102241), (353549, 725623)]