16521337

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 19941120

約数和(自身を除く): 3419783

約数列:

[1, 7, 23, 89, 161, 623, 1153, 2047, 8071, 14329, 26519, 102617, 185633, 718319, 2360191, 16521337]

約数ペア:

[(1, 16521337), (7, 2360191), (23, 718319), (89, 185633), (161, 102617), (623, 26519), (1153, 14329), (2047, 8071)]