12687913

素因数分解:

$7^3\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:613

約数の個数: 16

約数和(自身を含む): 15033600

約数和(自身を除く): 2345687

約数列:

[1, 7, 49, 71, 343, 497, 521, 3479, 3647, 24353, 25529, 36991, 178703, 258937, 1812559, 12687913]

約数ペア:

[(1, 12687913), (7, 1812559), (49, 258937), (71, 178703), (343, 36991), (497, 25529), (521, 24353), (3479, 3647)]