216559084

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{20407}}^1$

素因数の和:20797

約数の個数: 24

約数和(自身を含む): 434282240

約数和(自身を除く): 217723156

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 2653, 5306, 10612, 20407, 40814, 81628, 142849, 285698, 571396, 7734253, 15468506, 30937012, 54139771, 108279542, 216559084]

約数ペア:

[(1, 216559084), (2, 108279542), (4, 54139771), (7, 30937012), (14, 15468506), (28, 7734253), (379, 571396), (758, 285698), (1516, 142849), (2653, 81628), (5306, 40814), (10612, 20407)]