257807424

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 168

約数和(自身を含む): 807293280

約数和(自身を除く): 549485856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 67, 84, 96, 98, 112, 134, 147, 168, 192, 196, 201, 224, 268, 294, 336, 392, 402, 409, 448, 469, 536, 588, 672, 784, 804, 818, 938, 1072, 1176, 1227, 1344, 1407, 1568, 1608, 1636, 1876, 2144, 2352, 2454, 2814, 2863, 3136, 3216, 3272, 3283, 3752, 4288, 4704, 4908, 5628, 5726, 6432, 6544, 6566, 7504, 8589, 9408, 9816, 9849, 11256, 11452, 12864, 13088, 13132, 15008, 17178, 19632, 19698, 20041, 22512, 22904, 26176, 26264, 27403, 30016, 34356, 39264, 39396, 40082, 45024, 45808, 52528, 54806, 60123, 68712, 78528, 78792, 80164, 82209, 90048, 91616, 105056, 109612, 120246, 137424, 157584, 160328, 164418, 183232, 191821, 210112, 219224, 240492, 274848, 315168, 320656, 328836, 383642, 438448, 480984, 549696, 575463, 630336, 641312, 657672, 767284, 876896, 961968, 1150926, 1282624, 1315344, 1342747, 1534568, 1753792, 1923936, 2301852, 2630688, 2685494, 3069136, 3847872, 4028241, 4603704, 5261376, 5370988, 6138272, 8056482, 9207408, 10741976, 12276544, 16112964, 18414816, 21483952, 32225928, 36829632, 42967904, 64451856, 85935808, 128903712, 257807424]

約数ペア:

[(1, 257807424), (2, 128903712), (3, 85935808), (4, 64451856), (6, 42967904), (7, 36829632), (8, 32225928), (12, 21483952), (14, 18414816), (16, 16112964), (21, 12276544), (24, 10741976), (28, 9207408), (32, 8056482), (42, 6138272), (48, 5370988), (49, 5261376), (56, 4603704), (64, 4028241), (67, 3847872), (84, 3069136), (96, 2685494), (98, 2630688), (112, 2301852), (134, 1923936), (147, 1753792), (168, 1534568), (192, 1342747), (196, 1315344), (201, 1282624), (224, 1150926), (268, 961968), (294, 876896), (336, 767284), (392, 657672), (402, 641312), (409, 630336), (448, 575463), (469, 549696), (536, 480984), (588, 438448), (672, 383642), (784, 328836), (804, 320656), (818, 315168), (938, 274848), (1072, 240492), (1176, 219224), (1227, 210112), (1344, 191821), (1407, 183232), (1568, 164418), (1608, 160328), (1636, 157584), (1876, 137424), (2144, 120246), (2352, 109612), (2454, 105056), (2814, 91616), (2863, 90048), (3136, 82209), (3216, 80164), (3272, 78792), (3283, 78528), (3752, 68712), (4288, 60123), (4704, 54806), (4908, 52528), (5628, 45808), (5726, 45024), (6432, 40082), (6544, 39396), (6566, 39264), (7504, 34356), (8589, 30016), (9408, 27403), (9816, 26264), (9849, 26176), (11256, 22904), (11452, 22512), (12864, 20041), (13088, 19698), (13132, 19632), (15008, 17178)]