206252809

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{221539}}^1$

素因数の和:221572

約数の個数: 12

約数和(自身を含む): 252555600

約数和(自身を除く): 46302791

約数列:

[1, 7, 19, 49, 133, 931, 221539, 1550773, 4209241, 10855411, 29464687, 206252809]

約数ペア:

[(1, 206252809), (7, 29464687), (19, 10855411), (49, 4209241), (133, 1550773), (931, 221539)]