25728248

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 34751752

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 599, 728, 767, 826, 1198, 1534, 1652, 2396, 3068, 3304, 4193, 4792, 5369, 6136, 7787, 8386, 10738, 15574, 16772, 21476, 31148, 33544, 35341, 42952, 54509, 62296, 70682, 109018, 141364, 218036, 247387, 282728, 436072, 459433, 494774, 918866, 989548, 1837732, 1979096, 3216031, 3675464, 6432062, 12864124, 25728248]

約数ペア:

[(1, 25728248), (2, 12864124), (4, 6432062), (7, 3675464), (8, 3216031), (13, 1979096), (14, 1837732), (26, 989548), (28, 918866), (52, 494774), (56, 459433), (59, 436072), (91, 282728), (104, 247387), (118, 218036), (182, 141364), (236, 109018), (364, 70682), (413, 62296), (472, 54509), (599, 42952), (728, 35341), (767, 33544), (826, 31148), (1198, 21476), (1534, 16772), (1652, 15574), (2396, 10738), (3068, 8386), (3304, 7787), (4193, 6136), (4792, 5369)]