28143104

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 64817280

約数和(自身を除く): 36674176

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 256, 263, 304, 352, 418, 512, 526, 608, 704, 836, 1052, 1216, 1408, 1672, 2104, 2432, 2816, 2893, 3344, 4208, 4864, 4997, 5632, 5786, 6688, 8416, 9728, 9994, 11572, 13376, 16832, 19988, 23144, 26752, 33664, 39976, 46288, 53504, 54967, 67328, 79952, 92576, 107008, 109934, 134656, 159904, 185152, 219868, 319808, 370304, 439736, 639616, 740608, 879472, 1279232, 1481216, 1758944, 2558464, 3517888, 7035776, 14071552, 28143104]

約数ペア:

[(1, 28143104), (2, 14071552), (4, 7035776), (8, 3517888), (11, 2558464), (16, 1758944), (19, 1481216), (22, 1279232), (32, 879472), (38, 740608), (44, 639616), (64, 439736), (76, 370304), (88, 319808), (128, 219868), (152, 185152), (176, 159904), (209, 134656), (256, 109934), (263, 107008), (304, 92576), (352, 79952), (418, 67328), (512, 54967), (526, 53504), (608, 46288), (704, 39976), (836, 33664), (1052, 26752), (1216, 23144), (1408, 19988), (1672, 16832), (2104, 13376), (2432, 11572), (2816, 9994), (2893, 9728), (3344, 8416), (4208, 6688), (4864, 5786), (4997, 5632)]