51943216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{249727}}^1$

素因数の和:249748

約数の個数: 20

約数和(自身を含む): 108381952

約数和(自身を除く): 56438736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 249727, 499454, 998908, 1997816, 3246451, 3995632, 6492902, 12985804, 25971608, 51943216]

約数ペア:

[(1, 51943216), (2, 25971608), (4, 12985804), (8, 6492902), (13, 3995632), (16, 3246451), (26, 1997816), (52, 998908), (104, 499454), (208, 249727)]