222296944

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{21019}}^1$

素因数の和:21688

約数の個数: 20

約数和(自身を含む): 431372440

約数和(自身を除く): 209075496

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 10576, 21019, 42038, 84076, 168152, 336304, 13893559, 27787118, 55574236, 111148472, 222296944]

約数ペア:

[(1, 222296944), (2, 111148472), (4, 55574236), (8, 27787118), (16, 13893559), (661, 336304), (1322, 168152), (2644, 84076), (5288, 42038), (10576, 21019)]