66721398

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{156623}}^1$

素因数の和:156699

約数の個数: 16

約数和(自身を含む): 135323136

約数和(自身を除く): 68601738

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 156623, 313246, 469869, 939738, 11120233, 22240466, 33360699, 66721398]

約数ペア:

[(1, 66721398), (2, 33360699), (3, 22240466), (6, 11120233), (71, 939738), (142, 469869), (213, 313246), (426, 156623)]