164279445

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 299427840

約数和(自身を除く): 135148395

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 71, 111, 165, 185, 213, 355, 379, 407, 555, 781, 1065, 1137, 1221, 1895, 2035, 2343, 2627, 3905, 4169, 5685, 6105, 7881, 11715, 12507, 13135, 14023, 20845, 26909, 28897, 39405, 42069, 62535, 70115, 80727, 86691, 134545, 144485, 154253, 210345, 295999, 403635, 433455, 462759, 771265, 887997, 995633, 1479995, 2313795, 2986899, 4439985, 4978165, 10951963, 14934495, 32855889, 54759815, 164279445]

約数ペア:

[(1, 164279445), (3, 54759815), (5, 32855889), (11, 14934495), (15, 10951963), (33, 4978165), (37, 4439985), (55, 2986899), (71, 2313795), (111, 1479995), (165, 995633), (185, 887997), (213, 771265), (355, 462759), (379, 433455), (407, 403635), (555, 295999), (781, 210345), (1065, 154253), (1137, 144485), (1221, 134545), (1895, 86691), (2035, 80727), (2343, 70115), (2627, 62535), (3905, 42069), (4169, 39405), (5685, 28897), (6105, 26909), (7881, 20845), (11715, 14023), (12507, 13135)]