31290126

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1589

約数の個数: 48

約数和(自身を含む): 73872000

約数和(自身を除く): 42581874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 71, 98, 142, 147, 213, 294, 426, 497, 994, 1491, 1499, 2982, 2998, 3479, 4497, 6958, 8994, 10437, 10493, 20874, 20986, 31479, 62958, 73451, 106429, 146902, 212858, 220353, 319287, 440706, 638574, 745003, 1490006, 2235009, 4470018, 5215021, 10430042, 15645063, 31290126]

約数ペア:

[(1, 31290126), (2, 15645063), (3, 10430042), (6, 5215021), (7, 4470018), (14, 2235009), (21, 1490006), (42, 745003), (49, 638574), (71, 440706), (98, 319287), (142, 220353), (147, 212858), (213, 146902), (294, 106429), (426, 73451), (497, 62958), (994, 31479), (1491, 20986), (1499, 20874), (2982, 10493), (2998, 10437), (3479, 8994), (4497, 6958)]