28086168

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 77137920

約数和(自身を除く): 49051752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 191, 264, 382, 557, 573, 764, 1114, 1146, 1528, 1671, 2101, 2228, 2292, 3342, 4202, 4456, 4584, 6127, 6303, 6684, 8404, 12254, 12606, 13368, 16808, 18381, 24508, 25212, 36762, 49016, 50424, 73524, 106387, 147048, 212774, 319161, 425548, 638322, 851096, 1170257, 1276644, 2340514, 2553288, 3510771, 4681028, 7021542, 9362056, 14043084, 28086168]

約数ペア:

[(1, 28086168), (2, 14043084), (3, 9362056), (4, 7021542), (6, 4681028), (8, 3510771), (11, 2553288), (12, 2340514), (22, 1276644), (24, 1170257), (33, 851096), (44, 638322), (66, 425548), (88, 319161), (132, 212774), (191, 147048), (264, 106387), (382, 73524), (557, 50424), (573, 49016), (764, 36762), (1114, 25212), (1146, 24508), (1528, 18381), (1671, 16808), (2101, 13368), (2228, 12606), (2292, 12254), (3342, 8404), (4202, 6684), (4456, 6303), (4584, 6127)]