81989728

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1667}}^1$

素因数の和:1759

約数の個数: 48

約数和(自身を含む): 170236080

約数和(自身を除く): 88246352

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 106, 116, 212, 232, 424, 464, 848, 928, 1537, 1667, 1696, 3074, 3334, 6148, 6668, 12296, 13336, 24592, 26672, 48343, 49184, 53344, 88351, 96686, 176702, 193372, 353404, 386744, 706808, 773488, 1413616, 1546976, 2562179, 2827232, 5124358, 10248716, 20497432, 40994864, 81989728]

約数ペア:

[(1, 81989728), (2, 40994864), (4, 20497432), (8, 10248716), (16, 5124358), (29, 2827232), (32, 2562179), (53, 1546976), (58, 1413616), (106, 773488), (116, 706808), (212, 386744), (232, 353404), (424, 193372), (464, 176702), (848, 96686), (928, 88351), (1537, 53344), (1667, 49184), (1696, 48343), (3074, 26672), (3334, 24592), (6148, 13336), (6668, 12296)]