28492849

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 37253376

約数和(自身を除く): 8760527

約数列:

[1, 7, 11, 37, 73, 77, 137, 259, 407, 511, 803, 959, 1507, 2701, 2849, 5069, 5621, 10001, 10549, 18907, 29711, 35483, 55759, 70007, 110011, 207977, 370037, 390313, 770077, 2590259, 4070407, 28492849]

約数ペア:

[(1, 28492849), (7, 4070407), (11, 2590259), (37, 770077), (73, 390313), (77, 370037), (137, 207977), (259, 110011), (407, 70007), (511, 55759), (803, 35483), (959, 29711), (1507, 18907), (2701, 10549), (2849, 10001), (5069, 5621)]