245966476

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{257}}^2$

素因数の和:551

約数の個数: 54

約数和(自身を含む): 529129860

約数和(自身を除く): 283163384

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 257, 266, 514, 532, 931, 1028, 1799, 1862, 3598, 3724, 4883, 7196, 9766, 12593, 19532, 25186, 34181, 50372, 66049, 68362, 132098, 136724, 239267, 264196, 462343, 478534, 924686, 957068, 1254931, 1849372, 2509862, 3236401, 5019724, 6472802, 8784517, 12945604, 17569034, 35138068, 61491619, 122983238, 245966476]

約数ペア:

[(1, 245966476), (2, 122983238), (4, 61491619), (7, 35138068), (14, 17569034), (19, 12945604), (28, 8784517), (38, 6472802), (49, 5019724), (76, 3236401), (98, 2509862), (133, 1849372), (196, 1254931), (257, 957068), (266, 924686), (514, 478534), (532, 462343), (931, 264196), (1028, 239267), (1799, 136724), (1862, 132098), (3598, 68362), (3724, 66049), (4883, 50372), (7196, 34181), (9766, 25186), (12593, 19532)]