28499604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{691}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 76263936

約数和(自身を除く): 47764332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 491, 691, 982, 1382, 1473, 1964, 2073, 2764, 2946, 3437, 4146, 4837, 5892, 6874, 8292, 9674, 10311, 13748, 14511, 19348, 20622, 29022, 41244, 58044, 339281, 678562, 1017843, 1357124, 2035686, 2374967, 4071372, 4749934, 7124901, 9499868, 14249802, 28499604]

約数ペア:

[(1, 28499604), (2, 14249802), (3, 9499868), (4, 7124901), (6, 4749934), (7, 4071372), (12, 2374967), (14, 2035686), (21, 1357124), (28, 1017843), (42, 678562), (84, 339281), (491, 58044), (691, 41244), (982, 29022), (1382, 20622), (1473, 19348), (1964, 14511), (2073, 13748), (2764, 10311), (2946, 9674), (3437, 8292), (4146, 6874), (4837, 5892)]