2138551490

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{482743}}^1$

素因数の和:483193

約数の個数: 16

約数和(自身を含む): 3858090048

約数和(自身を除く): 1719538558

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 482743, 965486, 2413715, 4827430, 213855149, 427710298, 1069275745, 2138551490]

約数ペア:

[(1, 2138551490), (2, 1069275745), (5, 427710298), (10, 213855149), (443, 4827430), (886, 2413715), (2215, 965486), (4430, 482743)]