28435554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1777}}^1$

素因数の和:1919

約数の個数: 48

約数和(自身を含む): 71006208

約数和(自身を除く): 42570654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1777, 1778, 2286, 2667, 3554, 5331, 5334, 8001, 10662, 12439, 15993, 16002, 24878, 31986, 37317, 74634, 111951, 223902, 225679, 451358, 677037, 1354074, 1579753, 2031111, 3159506, 4062222, 4739259, 9478518, 14217777, 28435554]

約数ペア:

[(1, 28435554), (2, 14217777), (3, 9478518), (6, 4739259), (7, 4062222), (9, 3159506), (14, 2031111), (18, 1579753), (21, 1354074), (42, 677037), (63, 451358), (126, 225679), (127, 223902), (254, 111951), (381, 74634), (762, 37317), (889, 31986), (1143, 24878), (1777, 16002), (1778, 15993), (2286, 12439), (2667, 10662), (3554, 8001), (5331, 5334)]