12139115

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 15054336

約数和(自身を除く): 2915221

約数列:

[1, 5, 43, 131, 215, 431, 655, 2155, 5633, 18533, 28165, 56461, 92665, 282305, 2427823, 12139115]

約数ペア:

[(1, 12139115), (5, 2427823), (43, 282305), (131, 92665), (215, 56461), (431, 28165), (655, 18533), (2155, 5633)]