28839965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 43497216

約数和(自身を除く): 14657251

約数列:

[1, 5, 7, 11, 35, 55, 77, 173, 385, 433, 865, 1211, 1903, 2165, 3031, 4763, 6055, 9515, 13321, 15155, 23815, 33341, 66605, 74909, 166705, 374545, 524363, 823999, 2621815, 4119995, 5767993, 28839965]

約数ペア:

[(1, 28839965), (5, 5767993), (7, 4119995), (11, 2621815), (35, 823999), (55, 524363), (77, 374545), (173, 166705), (385, 74909), (433, 66605), (865, 33341), (1211, 23815), (1903, 15155), (2165, 13321), (3031, 9515), (4763, 6055)]