28755568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 59862240

約数和(自身を除く): 31106672

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 1489, 2414, 2978, 4828, 5956, 9656, 11912, 19312, 23824, 25313, 50626, 101252, 105719, 202504, 211438, 405008, 422876, 845752, 1691504, 1797223, 3594446, 7188892, 14377784, 28755568]

約数ペア:

[(1, 28755568), (2, 14377784), (4, 7188892), (8, 3594446), (16, 1797223), (17, 1691504), (34, 845752), (68, 422876), (71, 405008), (136, 211438), (142, 202504), (272, 105719), (284, 101252), (568, 50626), (1136, 25313), (1207, 23824), (1489, 19312), (2414, 11912), (2978, 9656), (4828, 5956)]