28677388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1217}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 51769872

約数和(自身を除く): 23092484

約数列:

[1, 2, 4, 43, 86, 137, 172, 274, 548, 1217, 2434, 4868, 5891, 11782, 23564, 52331, 104662, 166729, 209324, 333458, 666916, 7169347, 14338694, 28677388]

約数ペア:

[(1, 28677388), (2, 14338694), (4, 7169347), (43, 666916), (86, 333458), (137, 209324), (172, 166729), (274, 104662), (548, 52331), (1217, 23564), (2434, 11782), (4868, 5891)]