28686252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2689}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 77127680

約数和(自身を除く): 48441428

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 2667, 2689, 3556, 5334, 5378, 8067, 10668, 10756, 16134, 18823, 32268, 37646, 56469, 75292, 112938, 225876, 341503, 683006, 1024509, 1366012, 2049018, 2390521, 4098036, 4781042, 7171563, 9562084, 14343126, 28686252]

約数ペア:

[(1, 28686252), (2, 14343126), (3, 9562084), (4, 7171563), (6, 4781042), (7, 4098036), (12, 2390521), (14, 2049018), (21, 1366012), (28, 1024509), (42, 683006), (84, 341503), (127, 225876), (254, 112938), (381, 75292), (508, 56469), (762, 37646), (889, 32268), (1524, 18823), (1778, 16134), (2667, 10756), (2689, 10668), (3556, 8067), (5334, 5378)]