27871984

素因数分解:

$2^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 60

約数和(自身を含む): 63809904

約数和(自身を除く): 35937920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 392, 487, 511, 584, 784, 974, 1022, 1168, 1948, 2044, 3409, 3577, 3896, 4088, 6818, 7154, 7792, 8176, 13636, 14308, 23863, 27272, 28616, 35551, 47726, 54544, 57232, 71102, 95452, 142204, 190904, 248857, 284408, 381808, 497714, 568816, 995428, 1741999, 1990856, 3483998, 3981712, 6967996, 13935992, 27871984]

約数ペア:

[(1, 27871984), (2, 13935992), (4, 6967996), (7, 3981712), (8, 3483998), (14, 1990856), (16, 1741999), (28, 995428), (49, 568816), (56, 497714), (73, 381808), (98, 284408), (112, 248857), (146, 190904), (196, 142204), (292, 95452), (392, 71102), (487, 57232), (511, 54544), (584, 47726), (784, 35551), (974, 28616), (1022, 27272), (1168, 23863), (1948, 14308), (2044, 13636), (3409, 8176), (3577, 7792), (3896, 7154), (4088, 6818)]