211813196

素因数分解:

$2^2\times 7^1\times {\mathrm{7564757}}^1$

素因数の和:7564768

約数の個数: 12

約数和(自身を含む): 423626448

約数和(自身を除く): 211813252

約数列:

[1, 2, 4, 7, 14, 28, 7564757, 15129514, 30259028, 52953299, 105906598, 211813196]

約数ペア:

[(1, 211813196), (2, 105906598), (4, 52953299), (7, 30259028), (14, 15129514), (28, 7564757)]