209893442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{37123}}^1$

素因数の和:37393

約数の個数: 16

約数和(自身を含む): 344807712

約数和(自身を除く): 134914270

約数列:

[1, 2, 11, 22, 257, 514, 2827, 5654, 37123, 74246, 408353, 816706, 9540611, 19081222, 104946721, 209893442]

約数ペア:

[(1, 209893442), (2, 104946721), (11, 19081222), (22, 9540611), (257, 816706), (514, 408353), (2827, 74246), (5654, 37123)]