28252895

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 41023584

約数和(自身を除く): 12770689

約数列:

[1, 5, 11, 17, 41, 55, 67, 85, 121, 187, 205, 335, 451, 605, 697, 737, 935, 1139, 2057, 2255, 2747, 3485, 3685, 4961, 5695, 7667, 8107, 10285, 12529, 13735, 24805, 30217, 38335, 40535, 46699, 62645, 84337, 137819, 151085, 233495, 332387, 421685, 513689, 689095, 1661935, 2568445, 5650579, 28252895]

約数ペア:

[(1, 28252895), (5, 5650579), (11, 2568445), (17, 1661935), (41, 689095), (55, 513689), (67, 421685), (85, 332387), (121, 233495), (187, 151085), (205, 137819), (335, 84337), (451, 62645), (605, 46699), (697, 40535), (737, 38335), (935, 30217), (1139, 24805), (2057, 13735), (2255, 12529), (2747, 10285), (3485, 8107), (3685, 7667), (4961, 5695)]