319782016

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{9721}}^1$

素因数の和:9992

約数の個数: 32

約数和(自身を含む): 639610380

約数和(自身を除く): 319828364

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 1028, 2056, 4112, 8224, 9721, 16448, 19442, 32896, 38884, 77768, 155536, 311072, 622144, 1244288, 2498297, 4996594, 9993188, 19986376, 39972752, 79945504, 159891008, 319782016]

約数ペア:

[(1, 319782016), (2, 159891008), (4, 79945504), (8, 39972752), (16, 19986376), (32, 9993188), (64, 4996594), (128, 2498297), (257, 1244288), (514, 622144), (1028, 311072), (2056, 155536), (4112, 77768), (8224, 38884), (9721, 32896), (16448, 19442)]