1279774448

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{124783}}^1$

素因数の和:125432

約数の個数: 20

約数和(自身を含む): 2483451168

約数和(自身を除く): 1203676720

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 124783, 249566, 499132, 998264, 1996528, 79985903, 159971806, 319943612, 639887224, 1279774448]

約数ペア:

[(1, 1279774448), (2, 639887224), (4, 319943612), (8, 159971806), (16, 79985903), (641, 1996528), (1282, 998264), (2564, 499132), (5128, 249566), (10256, 124783)]