28775519

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 2432161

約数列:

[1, 19, 71, 83, 257, 1349, 1577, 4883, 5893, 18247, 21331, 111967, 346693, 405289, 1514501, 28775519]

約数ペア:

[(1, 28775519), (19, 1514501), (71, 405289), (83, 346693), (257, 111967), (1349, 21331), (1577, 18247), (4883, 5893)]