12991678

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17509}}^1$

素因数の和:17571

約数の個数: 16

約数和(自身を含む): 22692960

約数和(自身を除く): 9701282

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 17509, 35018, 122563, 245126, 927977, 1855954, 6495839, 12991678]

約数ペア:

[(1, 12991678), (2, 6495839), (7, 1855954), (14, 927977), (53, 245126), (106, 122563), (371, 35018), (742, 17509)]