28497554

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 43799616

約数和(自身を除く): 15302062

約数列:

[1, 2, 71, 101, 142, 202, 1987, 3974, 7171, 14342, 141077, 200687, 282154, 401374, 14248777, 28497554]

約数ペア:

[(1, 28497554), (2, 14248777), (71, 401374), (101, 282154), (142, 200687), (202, 141077), (1987, 14342), (3974, 7171)]