77817136

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{68501}}^1$

素因数の和:68580

約数の個数: 20

約数和(自身を含む): 152896464

約数和(自身を除く): 75079328

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 68501, 137002, 274004, 548008, 1096016, 4863571, 9727142, 19454284, 38908568, 77817136]

約数ペア:

[(1, 77817136), (2, 38908568), (4, 19454284), (8, 9727142), (16, 4863571), (71, 1096016), (142, 548008), (284, 274004), (568, 137002), (1136, 68501)]