28502173

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 34656000

約数和(自身を除く): 6153827

約数列:

[1, 7, 37, 49, 79, 199, 259, 553, 1393, 1813, 2923, 3871, 7363, 9751, 15721, 20461, 51541, 110047, 143227, 360787, 581677, 770329, 4071739, 28502173]

約数ペア:

[(1, 28502173), (7, 4071739), (37, 770329), (49, 581677), (79, 360787), (199, 143227), (259, 110047), (553, 51541), (1393, 20461), (1813, 15721), (2923, 9751), (3871, 7363)]