7321985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 10450944

約数和(自身を除く): 3128959

約数列:

[1, 5, 11, 17, 41, 55, 85, 187, 191, 205, 451, 697, 935, 955, 2101, 2255, 3247, 3485, 7667, 7831, 10505, 16235, 35717, 38335, 39155, 86141, 133127, 178585, 430705, 665635, 1464397, 7321985]

約数ペア:

[(1, 7321985), (5, 1464397), (11, 665635), (17, 430705), (41, 178585), (55, 133127), (85, 86141), (187, 39155), (191, 38335), (205, 35717), (451, 16235), (697, 10505), (935, 7831), (955, 7667), (2101, 3485), (2255, 3247)]