209064961

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{50707}}^1$

素因数の和:50764

約数の個数: 16

約数和(自身を含む): 259624960

約数和(自身を除く): 50559999

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 50707, 354949, 963433, 1571917, 6744031, 11003419, 29866423, 209064961]

約数ペア:

[(1, 209064961), (7, 29866423), (19, 11003419), (31, 6744031), (133, 1571917), (217, 963433), (589, 354949), (4123, 50707)]