199971656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1315603}}^1$

素因数の和:1315628

約数の個数: 16

約数和(自身を含む): 394681200

約数和(自身を除く): 194709544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1315603, 2631206, 5262412, 10524824, 24996457, 49992914, 99985828, 199971656]

約数ペア:

[(1, 199971656), (2, 99985828), (4, 49992914), (8, 24996457), (19, 10524824), (38, 5262412), (76, 2631206), (152, 1315603)]