28804454

素因数分解:

$2^1\times 7^3\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 50880000

約数和(自身を除く): 22075546

約数列:

[1, 2, 7, 14, 49, 98, 199, 211, 343, 398, 422, 686, 1393, 1477, 2786, 2954, 9751, 10339, 19502, 20678, 41989, 68257, 72373, 83978, 136514, 144746, 293923, 587846, 2057461, 4114922, 14402227, 28804454]

約数ペア:

[(1, 28804454), (2, 14402227), (7, 4114922), (14, 2057461), (49, 587846), (98, 293923), (199, 144746), (211, 136514), (343, 83978), (398, 72373), (422, 68257), (686, 41989), (1393, 20678), (1477, 19502), (2786, 10339), (2954, 9751)]