278745984

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^1\times {\mathrm{21997}}^1$

素因数の和:22028

約数の個数: 96

約数和(自身を含む): 875080440

約数和(自身を除く): 596334456

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 264, 288, 352, 384, 396, 528, 576, 704, 792, 1056, 1152, 1408, 1584, 2112, 3168, 4224, 6336, 12672, 21997, 43994, 65991, 87988, 131982, 175976, 197973, 241967, 263964, 351952, 395946, 483934, 527928, 703904, 725901, 791892, 967868, 1055856, 1407808, 1451802, 1583784, 1935736, 2111712, 2177703, 2815616, 2903604, 3167568, 3871472, 4223424, 4355406, 5807208, 6335136, 7742944, 8446848, 8710812, 11614416, 12670272, 15485888, 17421624, 23228832, 25340544, 30971776, 34843248, 46457664, 69686496, 92915328, 139372992, 278745984]

約数ペア:

[(1, 278745984), (2, 139372992), (3, 92915328), (4, 69686496), (6, 46457664), (8, 34843248), (9, 30971776), (11, 25340544), (12, 23228832), (16, 17421624), (18, 15485888), (22, 12670272), (24, 11614416), (32, 8710812), (33, 8446848), (36, 7742944), (44, 6335136), (48, 5807208), (64, 4355406), (66, 4223424), (72, 3871472), (88, 3167568), (96, 2903604), (99, 2815616), (128, 2177703), (132, 2111712), (144, 1935736), (176, 1583784), (192, 1451802), (198, 1407808), (264, 1055856), (288, 967868), (352, 791892), (384, 725901), (396, 703904), (528, 527928), (576, 483934), (704, 395946), (792, 351952), (1056, 263964), (1152, 241967), (1408, 197973), (1584, 175976), (2112, 131982), (3168, 87988), (4224, 65991), (6336, 43994), (12672, 21997)]