2556810494

素因数分解:

$2^1\times 7^4\times {\mathrm{532447}}^1$

素因数の和:532477

約数の個数: 20

約数和(自身を含む): 4474160544

約数和(自身を除く): 1917350050

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 532447, 1064894, 3727129, 7454258, 26089903, 52179806, 182629321, 365258642, 1278405247, 2556810494]

約数ペア:

[(1, 2556810494), (2, 1278405247), (7, 365258642), (14, 182629321), (49, 52179806), (98, 26089903), (343, 7454258), (686, 3727129), (2401, 1064894), (4802, 532447)]