28405884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{182089}}^1$

素因数の和:182109

約数の個数: 24

約数和(自身を含む): 71379280

約数和(自身を除く): 42973396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 182089, 364178, 546267, 728356, 1092534, 2185068, 2367157, 4734314, 7101471, 9468628, 14202942, 28405884]

約数ペア:

[(1, 28405884), (2, 14202942), (3, 9468628), (4, 7101471), (6, 4734314), (12, 2367157), (13, 2185068), (26, 1092534), (39, 728356), (52, 546267), (78, 364178), (156, 182089)]