399945792

素因数分解:

$2^6\times 3^1\times {\mathrm{83}}^1\times {\mathrm{25097}}^1$

素因数の和:25195

約数の個数: 56

約数和(自身を含む): 1070981856

約数和(自身を除く): 671036064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 166, 192, 249, 332, 498, 664, 996, 1328, 1992, 2656, 3984, 5312, 7968, 15936, 25097, 50194, 75291, 100388, 150582, 200776, 301164, 401552, 602328, 803104, 1204656, 1606208, 2083051, 2409312, 4166102, 4818624, 6249153, 8332204, 12498306, 16664408, 24996612, 33328816, 49993224, 66657632, 99986448, 133315264, 199972896, 399945792]

約数ペア:

[(1, 399945792), (2, 199972896), (3, 133315264), (4, 99986448), (6, 66657632), (8, 49993224), (12, 33328816), (16, 24996612), (24, 16664408), (32, 12498306), (48, 8332204), (64, 6249153), (83, 4818624), (96, 4166102), (166, 2409312), (192, 2083051), (249, 1606208), (332, 1204656), (498, 803104), (664, 602328), (996, 401552), (1328, 301164), (1992, 200776), (2656, 150582), (3984, 100388), (5312, 75291), (7968, 50194), (15936, 25097)]