217995554

素因数分解:

$2^1\times 7^1\times {\mathrm{2843}}^1\times {\mathrm{5477}}^1$

素因数の和:8329

約数の個数: 16

約数和(自身を含む): 373906368

約数和(自身を除く): 155910814

約数列:

[1, 2, 7, 14, 2843, 5477, 5686, 10954, 19901, 38339, 39802, 76678, 15571111, 31142222, 108997777, 217995554]

約数ペア:

[(1, 217995554), (2, 108997777), (7, 31142222), (14, 15571111), (2843, 76678), (5477, 39802), (5686, 38339), (10954, 19901)]