28978216

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{84239}}^1$

素因数の和:84288

約数の個数: 16

約数和(自身を含む): 55598400

約数和(自身を除く): 26620184

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 84239, 168478, 336956, 673912, 3622277, 7244554, 14489108, 28978216]

約数ペア:

[(1, 28978216), (2, 14489108), (4, 7244554), (8, 3622277), (43, 673912), (86, 336956), (172, 168478), (344, 84239)]