128939912

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{519919}}^1$

素因数の和:519956

約数の個数: 16

約数和(自身を含む): 249561600

約数和(自身を除く): 120621688

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 519919, 1039838, 2079676, 4159352, 16117489, 32234978, 64469956, 128939912]

約数ペア:

[(1, 128939912), (2, 64469956), (4, 32234978), (8, 16117489), (31, 4159352), (62, 2079676), (124, 1039838), (248, 519919)]