320400002

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{49891}}^1$

素因数の和:49938

約数の個数: 24

約数和(自身を含む): 547814160

約数和(自身を除く): 227414158

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 6422, 49891, 99782, 648583, 947929, 1297166, 1895858, 8431579, 12323077, 16863158, 24646154, 160200001, 320400002]

約数ペア:

[(1, 320400002), (2, 160200001), (13, 24646154), (19, 16863158), (26, 12323077), (38, 8431579), (169, 1895858), (247, 1297166), (338, 947929), (494, 648583), (3211, 99782), (6422, 49891)]