128805215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4583}}^1$

素因数の和:4679

約数の個数: 32

約数和(自身を含む): 195388416

約数和(自身を除く): 66583201

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 2555, 4015, 4583, 5621, 22915, 28105, 32081, 50413, 160405, 252065, 334559, 352891, 1672795, 1764455, 2341913, 3680149, 11709565, 18400745, 25761043, 128805215]

約数ペア:

[(1, 128805215), (5, 25761043), (7, 18400745), (11, 11709565), (35, 3680149), (55, 2341913), (73, 1764455), (77, 1672795), (365, 352891), (385, 334559), (511, 252065), (803, 160405), (2555, 50413), (4015, 32081), (4583, 28105), (5621, 22915)]