1287989423

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{76253}}^1$

素因数の和:76406

約数の個数: 16

約数和(自身を含む): 1561681920

約数和(自身を除く): 273692497

約数列:

[1, 7, 19, 127, 133, 889, 2413, 16891, 76253, 533771, 1448807, 9684131, 10141649, 67788917, 183998489, 1287989423]

約数ペア:

[(1, 1287989423), (7, 183998489), (19, 67788917), (127, 10141649), (133, 9684131), (889, 1448807), (2413, 533771), (16891, 76253)]