208515214

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{3407}}^1$

素因数の和:3911

約数の個数: 16

約数和(自身を含む): 318007296

約数和(自身を除く): 109492082

約数列:

[1, 2, 71, 142, 431, 862, 3407, 6814, 30601, 61202, 241897, 483794, 1468417, 2936834, 104257607, 208515214]

約数ペア:

[(1, 208515214), (2, 104257607), (71, 2936834), (142, 1468417), (431, 483794), (862, 241897), (3407, 61202), (6814, 30601)]