81004042

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 141834240

約数和(自身を除く): 60830198

約数列:

[1, 2, 7, 14, 71, 142, 227, 359, 454, 497, 718, 994, 1589, 2513, 3178, 5026, 16117, 25489, 32234, 50978, 81493, 112819, 162986, 178423, 225638, 356846, 570451, 1140902, 5786003, 11572006, 40502021, 81004042]

約数ペア:

[(1, 81004042), (2, 40502021), (7, 11572006), (14, 5786003), (71, 1140902), (142, 570451), (227, 356846), (359, 225638), (454, 178423), (497, 162986), (718, 112819), (994, 81493), (1589, 50978), (2513, 32234), (3178, 25489), (5026, 16117)]