204555985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{51203}}^1$

素因数の和:51272

約数の個数: 16

約数和(自身を含む): 265441536

約数和(自身を除く): 60885551

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 51203, 256015, 870451, 2406541, 4352255, 12032705, 40911197, 204555985]

約数ペア:

[(1, 204555985), (5, 40911197), (17, 12032705), (47, 4352255), (85, 2406541), (235, 870451), (799, 256015), (3995, 51203)]