28468664

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 65895480

約数和(自身を除く): 37426816

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 529, 644, 713, 868, 961, 1058, 1288, 1426, 1736, 1922, 2116, 2852, 3703, 3844, 4232, 4991, 5704, 6727, 7406, 7688, 9982, 13454, 14812, 16399, 19964, 22103, 26908, 29624, 32798, 39928, 44206, 53816, 65596, 88412, 114793, 131192, 154721, 176824, 229586, 309442, 459172, 508369, 618884, 918344, 1016738, 1237768, 2033476, 3558583, 4066952, 7117166, 14234332, 28468664]

約数ペア:

[(1, 28468664), (2, 14234332), (4, 7117166), (7, 4066952), (8, 3558583), (14, 2033476), (23, 1237768), (28, 1016738), (31, 918344), (46, 618884), (56, 508369), (62, 459172), (92, 309442), (124, 229586), (161, 176824), (184, 154721), (217, 131192), (248, 114793), (322, 88412), (434, 65596), (529, 53816), (644, 44206), (713, 39928), (868, 32798), (961, 29624), (1058, 26908), (1288, 22103), (1426, 19964), (1736, 16399), (1922, 14812), (2116, 13454), (2852, 9982), (3703, 7688), (3844, 7406), (4232, 6727), (4991, 5704)]