28513128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3947}}^1$

素因数の和:4006

約数の個数: 64

約数和(自身を含む): 83381760

約数和(自身を除く): 54868632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 258, 301, 344, 516, 602, 903, 1032, 1204, 1806, 2408, 3612, 3947, 7224, 7894, 11841, 15788, 23682, 27629, 31576, 47364, 55258, 82887, 94728, 110516, 165774, 169721, 221032, 331548, 339442, 509163, 663096, 678884, 1018326, 1188047, 1357768, 2036652, 2376094, 3564141, 4073304, 4752188, 7128282, 9504376, 14256564, 28513128]

約数ペア:

[(1, 28513128), (2, 14256564), (3, 9504376), (4, 7128282), (6, 4752188), (7, 4073304), (8, 3564141), (12, 2376094), (14, 2036652), (21, 1357768), (24, 1188047), (28, 1018326), (42, 678884), (43, 663096), (56, 509163), (84, 339442), (86, 331548), (129, 221032), (168, 169721), (172, 165774), (258, 110516), (301, 94728), (344, 82887), (516, 55258), (602, 47364), (903, 31576), (1032, 27629), (1204, 23682), (1806, 15788), (2408, 11841), (3612, 7894), (3947, 7224)]