25499235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 45756576

約数和(自身を除く): 20257341

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 277, 285, 323, 361, 831, 969, 1083, 1385, 1615, 1805, 4155, 4709, 4845, 5263, 5415, 6137, 14127, 15789, 18411, 23545, 26315, 30685, 70635, 78945, 89471, 92055, 99997, 268413, 299991, 447355, 499985, 1342065, 1499955, 1699949, 5099847, 8499745, 25499235]

約数ペア:

[(1, 25499235), (3, 8499745), (5, 5099847), (15, 1699949), (17, 1499955), (19, 1342065), (51, 499985), (57, 447355), (85, 299991), (95, 268413), (255, 99997), (277, 92055), (285, 89471), (323, 78945), (361, 70635), (831, 30685), (969, 26315), (1083, 23545), (1385, 18411), (1615, 15789), (1805, 14127), (4155, 6137), (4709, 5415), (4845, 5263)]