289322866

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{389923}}^1$

素因数の和:389985

約数の個数: 16

約数和(自身を含む): 505341504

約数和(自身を除く): 216018638

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 389923, 779846, 2729461, 5458922, 20665919, 41331838, 144661433, 289322866]

約数ペア:

[(1, 289322866), (2, 144661433), (7, 41331838), (14, 20665919), (53, 5458922), (106, 2729461), (371, 779846), (742, 389923)]