28661272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{977}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 56919600

約数和(自身を除く): 28258328

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 772, 977, 1544, 1954, 3667, 3908, 7334, 7816, 14668, 18563, 29336, 37126, 74252, 148504, 188561, 377122, 754244, 1508488, 3582659, 7165318, 14330636, 28661272]

約数ペア:

[(1, 28661272), (2, 14330636), (4, 7165318), (8, 3582659), (19, 1508488), (38, 754244), (76, 377122), (152, 188561), (193, 148504), (386, 74252), (772, 37126), (977, 29336), (1544, 18563), (1954, 14668), (3667, 7816), (3908, 7334)]