128812628

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{242129}}^1$

素因数の和:242159

約数の個数: 24

約数和(自身を含む): 271185600

約数和(自身を除く): 142372972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 242129, 484258, 968516, 1694903, 3389806, 4600451, 6779612, 9200902, 18401804, 32203157, 64406314, 128812628]

約数ペア:

[(1, 128812628), (2, 64406314), (4, 32203157), (7, 18401804), (14, 9200902), (19, 6779612), (28, 4600451), (38, 3389806), (76, 1694903), (133, 968516), (266, 484258), (532, 242129)]