51156721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 68198400

約数和(自身を除く): 17041679

約数列:

[1, 7, 11, 19, 73, 77, 133, 209, 479, 511, 803, 1387, 1463, 3353, 5269, 5621, 9101, 9709, 15257, 34967, 36883, 63707, 100111, 106799, 244769, 384637, 664373, 700777, 2692459, 4650611, 7308103, 51156721]

約数ペア:

[(1, 51156721), (7, 7308103), (11, 4650611), (19, 2692459), (73, 700777), (77, 664373), (133, 384637), (209, 244769), (479, 106799), (511, 100111), (803, 63707), (1387, 36883), (1463, 34967), (3353, 15257), (5269, 9709), (5621, 9101)]