1296446

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:443

約数の個数: 16

約数和(自身を含む): 2072400

約数和(自身を除く): 775954

約数列:

[1, 2, 19, 38, 109, 218, 313, 626, 2071, 4142, 5947, 11894, 34117, 68234, 648223, 1296446]

約数ペア:

[(1, 1296446), (2, 648223), (19, 68234), (38, 34117), (109, 11894), (218, 5947), (313, 4142), (626, 2071)]