164263825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 231413760

約数和(自身を除く): 67149935

約数列:

[1, 5, 11, 25, 47, 55, 71, 179, 235, 275, 355, 517, 781, 895, 1175, 1775, 1969, 2585, 3337, 3905, 4475, 8413, 9845, 12709, 12925, 16685, 19525, 36707, 42065, 49225, 63545, 83425, 92543, 139799, 183535, 210325, 317725, 462715, 597323, 698995, 917675, 2313575, 2986615, 3494975, 6570553, 14933075, 32852765, 164263825]

約数ペア:

[(1, 164263825), (5, 32852765), (11, 14933075), (25, 6570553), (47, 3494975), (55, 2986615), (71, 2313575), (179, 917675), (235, 698995), (275, 597323), (355, 462715), (517, 317725), (781, 210325), (895, 183535), (1175, 139799), (1775, 92543), (1969, 83425), (2585, 63545), (3337, 49225), (3905, 42065), (4475, 36707), (8413, 19525), (9845, 16685), (12709, 12925)]