81403278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1999}}^1$

素因数の和:2632

約数の個数: 32

約数和(自身を含む): 177984000

約数和(自身を除く): 96580722

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 617, 1234, 1851, 1999, 3702, 3998, 5997, 6787, 11994, 13574, 20361, 21989, 40722, 43978, 65967, 131934, 1233383, 2466766, 3700149, 7400298, 13567213, 27134426, 40701639, 81403278]

約数ペア:

[(1, 81403278), (2, 40701639), (3, 27134426), (6, 13567213), (11, 7400298), (22, 3700149), (33, 2466766), (66, 1233383), (617, 131934), (1234, 65967), (1851, 43978), (1999, 40722), (3702, 21989), (3998, 20361), (5997, 13574), (6787, 11994)]