208994492

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{39079}}^1$

素因数の和:39281

約数の個数: 24

約数和(自身を含む): 420188160

約数和(自身を除く): 211193668

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 5348, 39079, 78158, 156316, 273553, 547106, 1094212, 7464089, 14928178, 29856356, 52248623, 104497246, 208994492]

約数ペア:

[(1, 208994492), (2, 104497246), (4, 52248623), (7, 29856356), (14, 14928178), (28, 7464089), (191, 1094212), (382, 547106), (764, 273553), (1337, 156316), (2674, 78158), (5348, 39079)]