631888

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:622

約数の個数: 20

約数和(自身を含む): 1243348

約数和(自身を除く): 611460

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 541, 584, 1082, 1168, 2164, 4328, 8656, 39493, 78986, 157972, 315944, 631888]

約数ペア:

[(1, 631888), (2, 315944), (4, 157972), (8, 78986), (16, 39493), (73, 8656), (146, 4328), (292, 2164), (541, 1168), (584, 1082)]