81332896

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{487}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 170444736

約数和(自身を除く): 89111840

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 307, 487, 544, 614, 974, 1228, 1948, 2456, 3896, 4912, 5219, 7792, 8279, 9824, 10438, 15584, 16558, 20876, 33116, 41752, 66232, 83504, 132464, 149509, 167008, 264928, 299018, 598036, 1196072, 2392144, 2541653, 4784288, 5083306, 10166612, 20333224, 40666448, 81332896]

約数ペア:

[(1, 81332896), (2, 40666448), (4, 20333224), (8, 10166612), (16, 5083306), (17, 4784288), (32, 2541653), (34, 2392144), (68, 1196072), (136, 598036), (272, 299018), (307, 264928), (487, 167008), (544, 149509), (614, 132464), (974, 83504), (1228, 66232), (1948, 41752), (2456, 33116), (3896, 20876), (4912, 16558), (5219, 15584), (7792, 10438), (8279, 9824)]