28921585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 44301312

約数和(自身を除く): 15379727

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 1747, 2365, 3311, 8735, 12229, 16555, 19217, 61145, 75121, 96085, 134519, 375605, 525847, 672595, 826331, 2629235, 4131655, 5784317, 28921585]

約数ペア:

[(1, 28921585), (5, 5784317), (7, 4131655), (11, 2629235), (35, 826331), (43, 672595), (55, 525847), (77, 375605), (215, 134519), (301, 96085), (385, 75121), (473, 61145), (1505, 19217), (1747, 16555), (2365, 12229), (3311, 8735)]