211668892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{39227}}^1$

素因数の和:39321

約数の個数: 24

約数和(自身を含む): 395418240

約数和(自身を除く): 183749348

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 39227, 78454, 156908, 745313, 1490626, 2785117, 2981252, 5570234, 11140468, 52917223, 105834446, 211668892]

約数ペア:

[(1, 211668892), (2, 105834446), (4, 52917223), (19, 11140468), (38, 5570234), (71, 2981252), (76, 2785117), (142, 1490626), (284, 745313), (1349, 156908), (2698, 78454), (5396, 39227)]