285418154

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{287141}}^1$

素因数の和:287221

約数の個数: 16

約数和(自身を含む): 496181376

約数和(自身を除く): 210763222

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 287141, 574282, 2009987, 4019974, 20387011, 40774022, 142709077, 285418154]

約数ペア:

[(1, 285418154), (2, 142709077), (7, 40774022), (14, 20387011), (71, 4019974), (142, 2009987), (497, 574282), (994, 287141)]