1121918690

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{266489}}^1$

素因数の和:266917

約数の個数: 16

約数和(自身を含む): 2024258040

約数和(自身を除く): 902339350

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 266489, 532978, 1332445, 2664890, 112191869, 224383738, 560959345, 1121918690]

約数ペア:

[(1, 1121918690), (2, 560959345), (5, 224383738), (10, 112191869), (421, 2664890), (842, 1332445), (2105, 532978), (4210, 266489)]