64837981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 71366400

約数和(自身を除く): 6528419

約数列:

[1, 13, 71, 199, 353, 923, 2587, 4589, 14129, 25063, 70247, 183677, 325819, 913211, 4987537, 64837981]

約数ペア:

[(1, 64837981), (13, 4987537), (71, 913211), (199, 325819), (353, 183677), (923, 70247), (2587, 25063), (4589, 14129)]