28735355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 40471488

約数和(自身を除く): 11736133

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 365, 421, 803, 935, 1241, 2105, 4015, 4631, 6205, 7157, 13651, 23155, 30733, 35785, 68255, 78727, 153665, 338063, 393635, 522461, 1690315, 2612305, 5747071, 28735355]

約数ペア:

[(1, 28735355), (5, 5747071), (11, 2612305), (17, 1690315), (55, 522461), (73, 393635), (85, 338063), (187, 153665), (365, 78727), (421, 68255), (803, 35785), (935, 30733), (1241, 23155), (2105, 13651), (4015, 7157), (4631, 6205)]