261556656

素因数分解:

$2^4\times 3^1\times {\mathrm{263}}^1\times {\mathrm{20719}}^1$

素因数の和:20993

約数の個数: 40

約数和(自身を含む): 678289920

約数和(自身を除く): 416733264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 263, 526, 789, 1052, 1578, 2104, 3156, 4208, 6312, 12624, 20719, 41438, 62157, 82876, 124314, 165752, 248628, 331504, 497256, 994512, 5449097, 10898194, 16347291, 21796388, 32694582, 43592776, 65389164, 87185552, 130778328, 261556656]

約数ペア:

[(1, 261556656), (2, 130778328), (3, 87185552), (4, 65389164), (6, 43592776), (8, 32694582), (12, 21796388), (16, 16347291), (24, 10898194), (48, 5449097), (263, 994512), (526, 497256), (789, 331504), (1052, 248628), (1578, 165752), (2104, 124314), (3156, 82876), (4208, 62157), (6312, 41438), (12624, 20719)]