1285190874

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{721207}}^1$

素因数の和:721232

約数の個数: 40

約数和(自身を含む): 3141582048

約数和(自身を除く): 1856391174

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 721207, 1442414, 2163621, 4327242, 6490863, 7933277, 12981726, 15866554, 19472589, 23799831, 38945178, 47599662, 58417767, 71399493, 116835534, 142798986, 214198479, 428396958, 642595437, 1285190874]

約数ペア:

[(1, 1285190874), (2, 642595437), (3, 428396958), (6, 214198479), (9, 142798986), (11, 116835534), (18, 71399493), (22, 58417767), (27, 47599662), (33, 38945178), (54, 23799831), (66, 19472589), (81, 15866554), (99, 12981726), (162, 7933277), (198, 6490863), (297, 4327242), (594, 2163621), (891, 1442414), (1782, 721207)]