12561265

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 15536448

約数和(自身を除く): 2975183

約数列:

[1, 5, 53, 107, 265, 443, 535, 2215, 5671, 23479, 28355, 47401, 117395, 237005, 2512253, 12561265]

約数ペア:

[(1, 12561265), (5, 2512253), (53, 237005), (107, 117395), (265, 47401), (443, 28355), (535, 23479), (2215, 5671)]