215497639

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 271040000

約数和(自身を除く): 55542361

約数列:

[1, 7, 19, 43, 49, 133, 301, 343, 769, 817, 931, 2107, 5383, 5719, 6517, 14611, 14749, 33067, 37681, 40033, 102277, 231469, 263767, 280231, 628273, 715939, 1620283, 4397911, 5011573, 11341981, 30785377, 215497639]

約数ペア:

[(1, 215497639), (7, 30785377), (19, 11341981), (43, 5011573), (49, 4397911), (133, 1620283), (301, 715939), (343, 628273), (769, 280231), (817, 263767), (931, 231469), (2107, 102277), (5383, 40033), (5719, 37681), (6517, 33067), (14611, 14749)]