12211690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13721}}^1$

素因数の和:13817

約数の個数: 16

約数和(自身を含む): 22229640

約数和(自身を除く): 10017950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 13721, 27442, 68605, 137210, 1221169, 2442338, 6105845, 12211690]

約数ペア:

[(1, 12211690), (2, 6105845), (5, 2442338), (10, 1221169), (89, 137210), (178, 68605), (445, 27442), (890, 13721)]