205319152

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1787}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 409723776

約数和(自身を除く): 204404624

約数列:

[1, 2, 4, 8, 16, 43, 86, 167, 172, 334, 344, 668, 688, 1336, 1787, 2672, 3574, 7148, 7181, 14296, 14362, 28592, 28724, 57448, 76841, 114896, 153682, 298429, 307364, 596858, 614728, 1193716, 1229456, 2387432, 4774864, 12832447, 25664894, 51329788, 102659576, 205319152]

約数ペア:

[(1, 205319152), (2, 102659576), (4, 51329788), (8, 25664894), (16, 12832447), (43, 4774864), (86, 2387432), (167, 1229456), (172, 1193716), (334, 614728), (344, 596858), (668, 307364), (688, 298429), (1336, 153682), (1787, 114896), (2672, 76841), (3574, 57448), (7148, 28724), (7181, 28592), (14296, 14362)]