209344849

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{1061}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 243461376

約数和(自身を除く): 34116527

約数列:

[1, 7, 71, 397, 497, 1061, 2779, 7427, 28187, 75331, 197309, 421217, 527317, 2948519, 29906407, 209344849]

約数ペア:

[(1, 209344849), (7, 29906407), (71, 2948519), (397, 527317), (497, 421217), (1061, 197309), (2779, 75331), (7427, 28187)]