28762657

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 40087872

約数和(自身を除く): 11325215

約数列:

[1, 7, 11, 17, 43, 49, 73, 77, 119, 187, 301, 473, 511, 539, 731, 803, 833, 1241, 1309, 2107, 3139, 3311, 3577, 5117, 5621, 8041, 8687, 9163, 13651, 21973, 23177, 34529, 35819, 39347, 53363, 56287, 60809, 95557, 153811, 241703, 373541, 394009, 586993, 668899, 1691921, 2614787, 4108951, 28762657]

約数ペア:

[(1, 28762657), (7, 4108951), (11, 2614787), (17, 1691921), (43, 668899), (49, 586993), (73, 394009), (77, 373541), (119, 241703), (187, 153811), (301, 95557), (473, 60809), (511, 56287), (539, 53363), (731, 39347), (803, 35819), (833, 34529), (1241, 23177), (1309, 21973), (2107, 13651), (3139, 9163), (3311, 8687), (3577, 8041), (5117, 5621)]