1377886690

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{327289}}^1$

素因数の和:327717

約数の個数: 16

約数和(自身を含む): 2486094840

約数和(自身を除く): 1108208150

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 327289, 654578, 1636445, 3272890, 137788669, 275577338, 688943345, 1377886690]

約数ペア:

[(1, 1377886690), (2, 688943345), (5, 275577338), (10, 137788669), (421, 3272890), (842, 1636445), (2105, 654578), (4210, 327289)]