28512008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 65126400

約数和(自身を除く): 36614392

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 127, 133, 152, 211, 254, 266, 422, 508, 532, 844, 889, 1016, 1064, 1477, 1688, 1778, 2413, 2954, 3556, 4009, 4826, 5908, 7112, 8018, 9652, 11816, 16036, 16891, 19304, 26797, 28063, 32072, 33782, 53594, 56126, 67564, 107188, 112252, 135128, 187579, 214376, 224504, 375158, 509143, 750316, 1018286, 1500632, 2036572, 3564001, 4073144, 7128002, 14256004, 28512008]

約数ペア:

[(1, 28512008), (2, 14256004), (4, 7128002), (7, 4073144), (8, 3564001), (14, 2036572), (19, 1500632), (28, 1018286), (38, 750316), (56, 509143), (76, 375158), (127, 224504), (133, 214376), (152, 187579), (211, 135128), (254, 112252), (266, 107188), (422, 67564), (508, 56126), (532, 53594), (844, 33782), (889, 32072), (1016, 28063), (1064, 26797), (1477, 19304), (1688, 16891), (1778, 16036), (2413, 11816), (2954, 9652), (3556, 8018), (4009, 7112), (4826, 5908)]