16138976

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 36701280

約数和(自身を除く): 20562304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 661, 763, 872, 1322, 1526, 1744, 2644, 3052, 3488, 4627, 5288, 6104, 9254, 10576, 12208, 18508, 21152, 24416, 37016, 72049, 74032, 144098, 148064, 288196, 504343, 576392, 1008686, 1152784, 2017372, 2305568, 4034744, 8069488, 16138976]

約数ペア:

[(1, 16138976), (2, 8069488), (4, 4034744), (7, 2305568), (8, 2017372), (14, 1152784), (16, 1008686), (28, 576392), (32, 504343), (56, 288196), (109, 148064), (112, 144098), (218, 74032), (224, 72049), (436, 37016), (661, 24416), (763, 21152), (872, 18508), (1322, 12208), (1526, 10576), (1744, 9254), (2644, 6104), (3052, 5288), (3488, 4627)]