81282568

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{19427}}^1$

素因数の和:19956

約数の個数: 16

約数和(自身を含む): 152704080

約数和(自身を除く): 71421512

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 19427, 38854, 77708, 155416, 10160321, 20320642, 40641284, 81282568]

約数ペア:

[(1, 81282568), (2, 40641284), (4, 20320642), (8, 10160321), (523, 155416), (1046, 77708), (2092, 38854), (4184, 19427)]