209612809

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{2351}}^1$

素因数の和:2676

約数の個数: 16

約数和(自身を含む): 245661696

約数和(自身を除く): 36048887

約数列:

[1, 7, 47, 271, 329, 1897, 2351, 12737, 16457, 89159, 110497, 637121, 773479, 4459847, 29944687, 209612809]

約数ペア:

[(1, 209612809), (7, 29944687), (47, 4459847), (271, 773479), (329, 637121), (1897, 110497), (2351, 89159), (12737, 16457)]