28639105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2909}}^1$

素因数の和:3104

約数の個数: 16

約数和(自身を含む): 37713600

約数和(自身を除く): 9074495

約数列:

[1, 5, 11, 55, 179, 895, 1969, 2909, 9845, 14545, 31999, 159995, 520711, 2603555, 5727821, 28639105]

約数ペア:

[(1, 28639105), (5, 5727821), (11, 2603555), (55, 520711), (179, 159995), (895, 31999), (1969, 14545), (2909, 9845)]