219245908

素因数分解:

$2^2\times 7^1\times {\mathrm{7830211}}^1$

素因数の和:7830222

約数の個数: 12

約数和(自身を含む): 438491872

約数和(自身を除く): 219245964

約数列:

[1, 2, 4, 7, 14, 28, 7830211, 15660422, 31320844, 54811477, 109622954, 219245908]

約数ペア:

[(1, 219245908), (2, 109622954), (4, 54811477), (7, 31320844), (14, 15660422), (28, 7830211)]