128401903

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{11443}}^1$

素因数の和:11686

約数の個数: 12

約数和(自身を含む): 150030840

約数和(自身を除く): 21628937

約数列:

[1, 7, 49, 229, 1603, 11221, 11443, 80101, 560707, 2620447, 18343129, 128401903]

約数ペア:

[(1, 128401903), (7, 18343129), (49, 2620447), (229, 560707), (1603, 80101), (11221, 11443)]