201871796

素因数分解:

$2^2\times 7^1\times {\mathrm{787}}^1\times {\mathrm{9161}}^1$

素因数の和:9959

約数の個数: 24

約数和(自身を含む): 404300736

約数和(自身を除く): 202428940

約数列:

[1, 2, 4, 7, 14, 28, 787, 1574, 3148, 5509, 9161, 11018, 18322, 22036, 36644, 64127, 128254, 256508, 7209707, 14419414, 28838828, 50467949, 100935898, 201871796]

約数ペア:

[(1, 201871796), (2, 100935898), (4, 50467949), (7, 28838828), (14, 14419414), (28, 7209707), (787, 256508), (1574, 128254), (3148, 64127), (5509, 36644), (9161, 22036), (11018, 18322)]