87021935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17387}}^1$

素因数の和:17423

約数の個数: 32

約数和(自身を含む): 140216832

約数和(自身を除く): 53194897

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 17387, 86935, 121709, 191257, 226031, 608545, 956285, 1130155, 1338799, 1582217, 2486341, 6693995, 7911085, 12431705, 17404387, 87021935]

約数ペア:

[(1, 87021935), (5, 17404387), (7, 12431705), (11, 7911085), (13, 6693995), (35, 2486341), (55, 1582217), (65, 1338799), (77, 1130155), (91, 956285), (143, 608545), (385, 226031), (455, 191257), (715, 121709), (1001, 86935), (5005, 17387)]