209514928

素因数分解:

$2^4\times 7^1\times {\mathrm{1870669}}^1$

素因数の和:1870684

約数の個数: 20

約数和(自身を含む): 463926160

約数和(自身を除く): 254411232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1870669, 3741338, 7482676, 13094683, 14965352, 26189366, 29930704, 52378732, 104757464, 209514928]

約数ペア:

[(1, 209514928), (2, 104757464), (4, 52378732), (7, 29930704), (8, 26189366), (14, 14965352), (16, 13094683), (28, 7482676), (56, 3741338), (112, 1870669)]