28666021945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{1031}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 40252557312

約数和(自身を除く): 11586535367

約数列:

[1, 5, 11, 17, 55, 85, 131, 187, 227, 655, 935, 1031, 1135, 1441, 2227, 2497, 3859, 5155, 7205, 11135, 11341, 12485, 17527, 19295, 24497, 29737, 42449, 56705, 87635, 122485, 135061, 148685, 192797, 212245, 234037, 327107, 505529, 675305, 963985, 1170185, 1485671, 1635535, 2296037, 2527645, 2574407, 3978629, 5560819, 7428355, 11480185, 12872035, 19893145, 25256407, 27804095, 30658847, 43764919, 126282035, 153294235, 218824595, 337247317, 521200399, 1686236585, 2606001995, 5733204389, 28666021945]

約数ペア:

[(1, 28666021945), (5, 5733204389), (11, 2606001995), (17, 1686236585), (55, 521200399), (85, 337247317), (131, 218824595), (187, 153294235), (227, 126282035), (655, 43764919), (935, 30658847), (1031, 27804095), (1135, 25256407), (1441, 19893145), (2227, 12872035), (2497, 11480185), (3859, 7428355), (5155, 5560819), (7205, 3978629), (11135, 2574407), (11341, 2527645), (12485, 2296037), (17527, 1635535), (19295, 1485671), (24497, 1170185), (29737, 963985), (42449, 675305), (56705, 505529), (87635, 327107), (122485, 234037), (135061, 212245), (148685, 192797)]