205712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 40

約数和(自身を含む): 458304

約数和(自身を除く): 252592

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 43, 46, 52, 86, 92, 104, 172, 184, 208, 299, 344, 368, 559, 598, 688, 989, 1118, 1196, 1978, 2236, 2392, 3956, 4472, 4784, 7912, 8944, 12857, 15824, 25714, 51428, 102856, 205712]

約数ペア:

[(1, 205712), (2, 102856), (4, 51428), (8, 25714), (13, 15824), (16, 12857), (23, 8944), (26, 7912), (43, 4784), (46, 4472), (52, 3956), (86, 2392), (92, 2236), (104, 1978), (172, 1196), (184, 1118), (208, 989), (299, 688), (344, 598), (368, 559)]