51388535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 74004192

約数和(自身を除く): 22615657

約数列:

[1, 5, 11, 17, 53, 55, 61, 85, 187, 265, 289, 305, 583, 671, 901, 935, 1037, 1445, 2915, 3179, 3233, 3355, 4505, 5185, 9911, 11407, 15317, 15895, 16165, 17629, 35563, 49555, 54961, 57035, 76585, 88145, 168487, 177815, 193919, 274805, 604571, 842435, 934337, 969595, 3022855, 4671685, 10277707, 51388535]

約数ペア:

[(1, 51388535), (5, 10277707), (11, 4671685), (17, 3022855), (53, 969595), (55, 934337), (61, 842435), (85, 604571), (187, 274805), (265, 193919), (289, 177815), (305, 168487), (583, 88145), (671, 76585), (901, 57035), (935, 54961), (1037, 49555), (1445, 35563), (2915, 17629), (3179, 16165), (3233, 15895), (3355, 15317), (4505, 11407), (5185, 9911)]