201871117

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 243824256

約数和(自身を除く): 41953139

約数列:

[1, 7, 29, 53, 203, 371, 647, 841, 1537, 4529, 5887, 10759, 18763, 34291, 44573, 131341, 240037, 312011, 544127, 994439, 3808889, 6961073, 28838731, 201871117]

約数ペア:

[(1, 201871117), (7, 28838731), (29, 6961073), (53, 3808889), (203, 994439), (371, 544127), (647, 312011), (841, 240037), (1537, 131341), (4529, 44573), (5887, 34291), (10759, 18763)]