28556478

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{2999}}^1$

素因数の和:3053

約数の個数: 36

約数和(自身を含む): 64701000

約数和(自身を除く): 36144522

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 2999, 3174, 4761, 5998, 8997, 9522, 17994, 26991, 53982, 68977, 137954, 206931, 413862, 620793, 1241586, 1586471, 3172942, 4759413, 9518826, 14278239, 28556478]

約数ペア:

[(1, 28556478), (2, 14278239), (3, 9518826), (6, 4759413), (9, 3172942), (18, 1586471), (23, 1241586), (46, 620793), (69, 413862), (138, 206931), (207, 137954), (414, 68977), (529, 53982), (1058, 26991), (1587, 17994), (2999, 9522), (3174, 8997), (4761, 5998)]