28993211

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1033}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 33352704

約数和(自身を除く): 4359493

約数列:

[1, 13, 17, 127, 221, 1033, 1651, 2159, 13429, 17561, 28067, 131191, 228293, 1705483, 2230247, 28993211]

約数ペア:

[(1, 28993211), (13, 2230247), (17, 1705483), (127, 228293), (221, 131191), (1033, 28067), (1651, 17561), (2159, 13429)]