208873168

素因数分解:

$2^4\times 7^1\times {\mathrm{1864939}}^1$

素因数の和:1864954

約数の個数: 20

約数和(自身を含む): 462505120

約数和(自身を除く): 253631952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1864939, 3729878, 7459756, 13054573, 14919512, 26109146, 29839024, 52218292, 104436584, 208873168]

約数ペア:

[(1, 208873168), (2, 104436584), (4, 52218292), (7, 29839024), (8, 26109146), (14, 14919512), (16, 13054573), (28, 7459756), (56, 3729878), (112, 1864939)]