209577407

素因数分解:

${\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 234146304

約数和(自身を除く): 24568897

約数列:

[1, 13, 67, 83, 169, 223, 871, 1079, 2899, 5561, 11323, 14027, 14941, 18509, 37687, 72293, 194233, 240617, 939809, 1240103, 2525029, 3128021, 16121339, 209577407]

約数ペア:

[(1, 209577407), (13, 16121339), (67, 3128021), (83, 2525029), (169, 1240103), (223, 939809), (871, 240617), (1079, 194233), (2899, 72293), (5561, 37687), (11323, 18509), (14027, 14941)]