28771085

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 41111136

約数和(自身を除く): 12340051

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 2731, 10535, 13655, 19117, 95585, 117433, 133819, 587165, 669095, 822031, 4110155, 5754217, 28771085]

約数ペア:

[(1, 28771085), (5, 5754217), (7, 4110155), (35, 822031), (43, 669095), (49, 587165), (215, 133819), (245, 117433), (301, 95585), (1505, 19117), (2107, 13655), (2731, 10535)]