13889645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 7399315

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 839, 1505, 2365, 3311, 4195, 5873, 9229, 16555, 29365, 36077, 46145, 64603, 180385, 252539, 323015, 396847, 1262695, 1984235, 2777929, 13889645]

約数ペア:

[(1, 13889645), (5, 2777929), (7, 1984235), (11, 1262695), (35, 396847), (43, 323015), (55, 252539), (77, 180385), (215, 64603), (301, 46145), (385, 36077), (473, 29365), (839, 16555), (1505, 9229), (2365, 5873), (3311, 4195)]