28071199

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 32477760

約数和(自身を除く): 4406561

約数列:

[1, 13, 17, 71, 221, 923, 1207, 1789, 15691, 23257, 30413, 127019, 395369, 1651247, 2159323, 28071199]

約数ペア:

[(1, 28071199), (13, 2159323), (17, 1651247), (71, 395369), (221, 127019), (923, 30413), (1207, 23257), (1789, 15691)]