12218810

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13729}}^1$

素因数の和:13825

約数の個数: 16

約数和(自身を含む): 22242600

約数和(自身を除く): 10023790

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 13729, 27458, 68645, 137290, 1221881, 2443762, 6109405, 12218810]

約数ペア:

[(1, 12218810), (2, 6109405), (5, 2443762), (10, 1221881), (89, 137290), (178, 68645), (445, 27458), (890, 13729)]