128528654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{40751}}^1$

素因数の和:40855

約数の個数: 16

約数和(自身を含む): 205390080

約数和(自身を除く): 76861426

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 40751, 81502, 774269, 1548538, 3382333, 6764666, 64264327, 128528654]

約数ペア:

[(1, 128528654), (2, 64264327), (19, 6764666), (38, 3382333), (83, 1548538), (166, 774269), (1577, 81502), (3154, 40751)]