199987513

素因数分解:

${\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 221320512

約数和(自身を除く): 21332999

約数列:

[1, 11, 113, 251, 641, 1243, 2761, 7051, 28363, 72433, 160891, 311993, 796763, 1769801, 18180683, 199987513]

約数ペア:

[(1, 199987513), (11, 18180683), (113, 1769801), (251, 796763), (641, 311993), (1243, 160891), (2761, 72433), (7051, 28363)]