1999365121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{20149}}^1$

素因数の和:20628

約数の個数: 16

約数和(自身を含む): 2285010000

約数和(自身を除く): 285644879

約数列:

[1, 13, 17, 221, 449, 5837, 7633, 20149, 99229, 261937, 342533, 4452929, 9046901, 117609713, 153797317, 1999365121]

約数ペア:

[(1, 1999365121), (13, 153797317), (17, 117609713), (221, 9046901), (449, 4452929), (5837, 342533), (7633, 261937), (20149, 99229)]