12901285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 16430400

約数和(自身を除く): 3529115

約数列:

[1, 5, 19, 95, 139, 695, 977, 2641, 4885, 13205, 18563, 92815, 135803, 679015, 2580257, 12901285]

約数ペア:

[(1, 12901285), (5, 2580257), (19, 679015), (95, 135803), (139, 92815), (695, 18563), (977, 13205), (2641, 4885)]