668831438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1\times {\mathrm{673}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 1106438400

約数和(自身を除く): 437606962

約数列:

[1, 2, 11, 22, 199, 227, 398, 454, 673, 1346, 2189, 2497, 4378, 4994, 7403, 14806, 45173, 90346, 133927, 152771, 267854, 305542, 496903, 993806, 1473197, 1680481, 2946394, 3360962, 30401429, 60802858, 334415719, 668831438]

約数ペア:

[(1, 668831438), (2, 334415719), (11, 60802858), (22, 30401429), (199, 3360962), (227, 2946394), (398, 1680481), (454, 1473197), (673, 993806), (1346, 496903), (2189, 305542), (2497, 267854), (4378, 152771), (4994, 133927), (7403, 90346), (14806, 45173)]