71316324

素因数分解:

$2^2\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1999}}^1$

素因数の和:3000

約数の個数: 36

約数和(自身を含む): 180544000

約数和(自身を除く): 109227676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 991, 1982, 1999, 2973, 3964, 3998, 5946, 5997, 7996, 8919, 11892, 11994, 17838, 17991, 23988, 35676, 35982, 71964, 1981009, 3962018, 5943027, 7924036, 11886054, 17829081, 23772108, 35658162, 71316324]

約数ペア:

[(1, 71316324), (2, 35658162), (3, 23772108), (4, 17829081), (6, 11886054), (9, 7924036), (12, 5943027), (18, 3962018), (36, 1981009), (991, 71964), (1982, 35982), (1999, 35676), (2973, 23988), (3964, 17991), (3998, 17838), (5946, 11994), (5997, 11892), (7996, 8919)]