257435156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{29401}}^1$

素因数の和:29615

約数の個数: 24

約数和(自身を含む): 493953600

約数和(自身を除く): 236518444

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 4378, 8756, 29401, 58802, 117604, 323411, 646822, 1293644, 5850799, 11701598, 23403196, 64358789, 128717578, 257435156]

約数ペア:

[(1, 257435156), (2, 128717578), (4, 64358789), (11, 23403196), (22, 11701598), (44, 5850799), (199, 1293644), (398, 646822), (796, 323411), (2189, 117604), (4378, 58802), (8756, 29401)]