28225888

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 57846096

約数和(自身を除く): 29620208

約数列:

[1, 2, 4, 8, 16, 32, 43, 73, 86, 146, 172, 281, 292, 344, 562, 584, 688, 1124, 1168, 1376, 2248, 2336, 3139, 4496, 6278, 8992, 12083, 12556, 20513, 24166, 25112, 41026, 48332, 50224, 82052, 96664, 100448, 164104, 193328, 328208, 386656, 656416, 882059, 1764118, 3528236, 7056472, 14112944, 28225888]

約数ペア:

[(1, 28225888), (2, 14112944), (4, 7056472), (8, 3528236), (16, 1764118), (32, 882059), (43, 656416), (73, 386656), (86, 328208), (146, 193328), (172, 164104), (281, 100448), (292, 96664), (344, 82052), (562, 50224), (584, 48332), (688, 41026), (1124, 25112), (1168, 24166), (1376, 20513), (2248, 12556), (2336, 12083), (3139, 8992), (4496, 6278)]