81723416

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{883}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 160392960

約数和(自身を除く): 78669544

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 503, 883, 1006, 1766, 2012, 3532, 4024, 7064, 11569, 20309, 23138, 40618, 46276, 81236, 92552, 162472, 444149, 888298, 1776596, 3553192, 10215427, 20430854, 40861708, 81723416]

約数ペア:

[(1, 81723416), (2, 40861708), (4, 20430854), (8, 10215427), (23, 3553192), (46, 1776596), (92, 888298), (184, 444149), (503, 162472), (883, 92552), (1006, 81236), (1766, 46276), (2012, 40618), (3532, 23138), (4024, 20309), (7064, 11569)]