205942

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 24

約数和(自身を含む): 363888

約数和(自身を除く): 157946

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 121, 242, 253, 407, 506, 814, 851, 1702, 2783, 4477, 5566, 8954, 9361, 18722, 102971, 205942]

約数ペア:

[(1, 205942), (2, 102971), (11, 18722), (22, 9361), (23, 8954), (37, 5566), (46, 4477), (74, 2783), (121, 1702), (242, 851), (253, 814), (407, 506)]