2189174384

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{984341}}^1$

素因数の和:984488

約数の個数: 20

約数和(自身を含む): 4272044280

約数和(自身を除く): 2082869896

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 984341, 1968682, 3937364, 7874728, 15749456, 136823399, 273646798, 547293596, 1094587192, 2189174384]

約数ペア:

[(1, 2189174384), (2, 1094587192), (4, 547293596), (8, 273646798), (16, 136823399), (139, 15749456), (278, 7874728), (556, 3937364), (1112, 1968682), (2224, 984341)]