220447619

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{264643}}^1$

素因数の和:264674

約数の個数: 12

約数和(自身を含む): 271524744

約数和(自身を除く): 51077125

約数列:

[1, 7, 17, 49, 119, 833, 264643, 1852501, 4498931, 12967507, 31492517, 220447619]

約数ペア:

[(1, 220447619), (7, 31492517), (17, 12967507), (49, 4498931), (119, 1852501), (833, 264643)]