128575714

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{2143}}^1$

素因数の和:2505

約数の個数: 16

約数和(自身を含む): 195275520

約数和(自身を除く): 66699806

約数列:

[1, 2, 131, 229, 262, 458, 2143, 4286, 29999, 59998, 280733, 490747, 561466, 981494, 64287857, 128575714]

約数ペア:

[(1, 128575714), (2, 64287857), (131, 981494), (229, 561466), (262, 490747), (458, 280733), (2143, 59998), (4286, 29999)]