28396095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 28503489

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 71, 91, 105, 195, 213, 273, 293, 355, 455, 497, 879, 923, 1065, 1365, 1465, 1491, 2051, 2485, 2769, 3809, 4395, 4615, 6153, 6461, 7455, 10255, 11427, 13845, 19045, 19383, 20803, 26663, 30765, 32305, 57135, 62409, 79989, 96915, 104015, 133315, 145621, 270439, 312045, 399945, 436863, 728105, 811317, 1352195, 1893073, 2184315, 4056585, 5679219, 9465365, 28396095]

約数ペア:

[(1, 28396095), (3, 9465365), (5, 5679219), (7, 4056585), (13, 2184315), (15, 1893073), (21, 1352195), (35, 811317), (39, 728105), (65, 436863), (71, 399945), (91, 312045), (105, 270439), (195, 145621), (213, 133315), (273, 104015), (293, 96915), (355, 79989), (455, 62409), (497, 57135), (879, 32305), (923, 30765), (1065, 26663), (1365, 20803), (1465, 19383), (1491, 19045), (2051, 13845), (2485, 11427), (2769, 10255), (3809, 7455), (4395, 6461), (4615, 6153)]