213577340

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{10711}}^1$

素因数の和:11717

約数の個数: 24

約数和(自身を含む): 449004192

約数和(自身を除く): 235426852

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 10711, 19940, 21422, 42844, 53555, 107110, 214220, 10678867, 21357734, 42715468, 53394335, 106788670, 213577340]

約数ペア:

[(1, 213577340), (2, 106788670), (4, 53394335), (5, 42715468), (10, 21357734), (20, 10678867), (997, 214220), (1994, 107110), (3988, 53555), (4985, 42844), (9970, 21422), (10711, 19940)]