16778884

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 29937600

約数和(自身を除く): 13158716

約数列:

[1, 2, 4, 107, 197, 199, 214, 394, 398, 428, 788, 796, 21079, 21293, 39203, 42158, 42586, 78406, 84316, 85172, 156812, 4194721, 8389442, 16778884]

約数ペア:

[(1, 16778884), (2, 8389442), (4, 4194721), (107, 156812), (197, 85172), (199, 84316), (214, 78406), (394, 42586), (398, 42158), (428, 39203), (788, 21293), (796, 21079)]