200865454

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{278207}}^1$

素因数の和:278247

約数の個数: 12

約数和(自身を含む): 317991744

約数和(自身を除く): 117126290

約数列:

[1, 2, 19, 38, 361, 722, 278207, 556414, 5285933, 10571866, 100432727, 200865454]

約数ペア:

[(1, 200865454), (2, 100432727), (19, 10571866), (38, 5285933), (361, 556414), (722, 278207)]