78156871

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 90980064

約数和(自身を除く): 12823193

約数列:

[1, 13, 17, 71, 221, 289, 293, 923, 1207, 3757, 3809, 4981, 15691, 20519, 20803, 64753, 84677, 266747, 270439, 353651, 1100801, 4597463, 6012067, 78156871]

約数ペア:

[(1, 78156871), (13, 6012067), (17, 4597463), (71, 1100801), (221, 353651), (289, 270439), (293, 266747), (923, 84677), (1207, 64753), (3757, 20803), (3809, 20519), (4981, 15691)]