219903592

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{106957}}^1$

素因数の和:107220

約数の個数: 16

約数和(自身を含む): 413927460

約数和(自身を除く): 194023868

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 106957, 213914, 427828, 855656, 27487949, 54975898, 109951796, 219903592]

約数ペア:

[(1, 219903592), (2, 109951796), (4, 54975898), (8, 27487949), (257, 855656), (514, 427828), (1028, 213914), (2056, 106957)]