67136975

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 36

約数和(自身を含む): 90425016

約数和(自身を除く): 23288041

約数列:

[1, 5, 19, 25, 43, 95, 173, 215, 361, 475, 817, 865, 1075, 1805, 3287, 4085, 4325, 7439, 9025, 15523, 16435, 20425, 37195, 62453, 77615, 82175, 141341, 185975, 312265, 388075, 706705, 1561325, 2685479, 3533525, 13427395, 67136975]

約数ペア:

[(1, 67136975), (5, 13427395), (19, 3533525), (25, 2685479), (43, 1561325), (95, 706705), (173, 388075), (215, 312265), (361, 185975), (475, 141341), (817, 82175), (865, 77615), (1075, 62453), (1805, 37195), (3287, 20425), (4085, 16435), (4325, 15523), (7439, 9025)]