199456426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{20903}}^1$

素因数の和:21285

約数の個数: 16

約数和(自身を含む): 323092224

約数和(自身を除く): 123635798

約数列:

[1, 2, 13, 26, 367, 734, 4771, 9542, 20903, 41806, 271739, 543478, 7671401, 15342802, 99728213, 199456426]

約数ペア:

[(1, 199456426), (2, 99728213), (13, 15342802), (26, 7671401), (367, 543478), (734, 271739), (4771, 41806), (9542, 20903)]