256646784

素因数分解:

$2^7\times 3^1\times {\mathrm{647}}^1\times {\mathrm{1033}}^1$

素因数の和:1697

約数の個数: 64

約数和(自身を含む): 683432640

約数和(自身を除く): 426785856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 647, 1033, 1294, 1941, 2066, 2588, 3099, 3882, 4132, 5176, 6198, 7764, 8264, 10352, 12396, 15528, 16528, 20704, 24792, 31056, 33056, 41408, 49584, 62112, 66112, 82816, 99168, 124224, 132224, 198336, 248448, 396672, 668351, 1336702, 2005053, 2673404, 4010106, 5346808, 8020212, 10693616, 16040424, 21387232, 32080848, 42774464, 64161696, 85548928, 128323392, 256646784]

約数ペア:

[(1, 256646784), (2, 128323392), (3, 85548928), (4, 64161696), (6, 42774464), (8, 32080848), (12, 21387232), (16, 16040424), (24, 10693616), (32, 8020212), (48, 5346808), (64, 4010106), (96, 2673404), (128, 2005053), (192, 1336702), (384, 668351), (647, 396672), (1033, 248448), (1294, 198336), (1941, 132224), (2066, 124224), (2588, 99168), (3099, 82816), (3882, 66112), (4132, 62112), (5176, 49584), (6198, 41408), (7764, 33056), (8264, 31056), (10352, 24792), (12396, 20704), (15528, 16528)]