28979328

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{10781}}^1$

素因数の和:10805

約数の個数: 64

約数和(自身を含む): 87981120

約数和(自身を除く): 59001792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 10781, 21562, 32343, 43124, 64686, 75467, 86248, 129372, 150934, 172496, 226401, 258744, 301868, 344992, 452802, 517488, 603736, 689984, 905604, 1034976, 1207472, 1379968, 1811208, 2069952, 2414944, 3622416, 4139904, 4829888, 7244832, 9659776, 14489664, 28979328]

約数ペア:

[(1, 28979328), (2, 14489664), (3, 9659776), (4, 7244832), (6, 4829888), (7, 4139904), (8, 3622416), (12, 2414944), (14, 2069952), (16, 1811208), (21, 1379968), (24, 1207472), (28, 1034976), (32, 905604), (42, 689984), (48, 603736), (56, 517488), (64, 452802), (84, 344992), (96, 301868), (112, 258744), (128, 226401), (168, 172496), (192, 150934), (224, 129372), (336, 86248), (384, 75467), (448, 64686), (672, 43124), (896, 32343), (1344, 21562), (2688, 10781)]