211380206

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{78347}}^1$

素因数の和:78439

約数の個数: 16

約数和(自身を含む): 338463360

約数和(自身を除く): 127083154

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 78347, 156694, 1488593, 2977186, 5562637, 11125274, 105690103, 211380206]

約数ペア:

[(1, 211380206), (2, 105690103), (19, 11125274), (38, 5562637), (71, 2977186), (142, 1488593), (1349, 156694), (2698, 78347)]