256429144

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{2081}}^1$

素因数の和:2371

約数の個数: 32

約数和(自身を含む): 489936240

約数和(自身を除く): 233507096

約数列:

[1, 2, 4, 8, 73, 146, 211, 292, 422, 584, 844, 1688, 2081, 4162, 8324, 15403, 16648, 30806, 61612, 123224, 151913, 303826, 439091, 607652, 878182, 1215304, 1756364, 3512728, 32053643, 64107286, 128214572, 256429144]

約数ペア:

[(1, 256429144), (2, 128214572), (4, 64107286), (8, 32053643), (73, 3512728), (146, 1756364), (211, 1215304), (292, 878182), (422, 607652), (584, 439091), (844, 303826), (1688, 151913), (2081, 123224), (4162, 61612), (8324, 30806), (15403, 16648)]