1999902512

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{256661}}^1$

素因数の和:257156

約数の個数: 20

約数和(自身を含む): 3882782736

約数和(自身を除く): 1882880224

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792, 256661, 513322, 1026644, 2053288, 4106576, 124993907, 249987814, 499975628, 999951256, 1999902512]

約数ペア:

[(1, 1999902512), (2, 999951256), (4, 499975628), (8, 249987814), (16, 124993907), (487, 4106576), (974, 2053288), (1948, 1026644), (3896, 513322), (7792, 256661)]