13439965

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4987}}^1$

素因数の和:5017

約数の個数: 24

約数和(自身を含む): 20470752

約数和(自身を除く): 7030787

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4987, 24935, 34909, 54857, 174545, 244363, 274285, 383999, 1221815, 1919995, 2687993, 13439965]

約数ペア:

[(1, 13439965), (5, 2687993), (7, 1919995), (11, 1221815), (35, 383999), (49, 274285), (55, 244363), (77, 174545), (245, 54857), (385, 34909), (539, 24935), (2695, 4987)]