173172395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2075

約数の個数: 32

約数和(自身を含む): 238360320

約数和(自身を除く): 65187925

約数列:

[1, 5, 11, 37, 43, 55, 185, 215, 407, 473, 1591, 1979, 2035, 2365, 7955, 9895, 17501, 21769, 73223, 85097, 87505, 108845, 366115, 425485, 805453, 936067, 3148589, 4027265, 4680335, 15742945, 34634479, 173172395]

約数ペア:

[(1, 173172395), (5, 34634479), (11, 15742945), (37, 4680335), (43, 4027265), (55, 3148589), (185, 936067), (215, 805453), (407, 425485), (473, 366115), (1591, 108845), (1979, 87505), (2035, 85097), (2365, 73223), (7955, 21769), (9895, 17501)]