66910123225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{2711}}^1$

素因数の和:2983

約数の個数: 72

約数和(自身を含む): 93925238400

約数和(自身を除く): 27015115175

約数列:

[1, 5, 11, 25, 41, 55, 121, 199, 205, 275, 451, 605, 995, 1025, 2189, 2255, 2711, 3025, 4961, 4975, 8159, 10945, 11275, 13555, 24079, 24805, 29821, 40795, 54725, 67775, 89749, 111151, 120395, 124025, 149105, 203975, 328031, 448745, 539489, 555755, 601975, 745525, 987239, 1222661, 1640155, 2243725, 2697445, 2778775, 4936195, 5934379, 6113305, 8200775, 13449271, 13487225, 22119049, 24680975, 29671895, 30566525, 65278169, 67246355, 110595245, 148359475, 243309539, 326390845, 336231775, 552976225, 1216547695, 1631954225, 2676404929, 6082738475, 13382024645, 66910123225]

約数ペア:

[(1, 66910123225), (5, 13382024645), (11, 6082738475), (25, 2676404929), (41, 1631954225), (55, 1216547695), (121, 552976225), (199, 336231775), (205, 326390845), (275, 243309539), (451, 148359475), (605, 110595245), (995, 67246355), (1025, 65278169), (2189, 30566525), (2255, 29671895), (2711, 24680975), (3025, 22119049), (4961, 13487225), (4975, 13449271), (8159, 8200775), (10945, 6113305), (11275, 5934379), (13555, 4936195), (24079, 2778775), (24805, 2697445), (29821, 2243725), (40795, 1640155), (54725, 1222661), (67775, 987239), (89749, 745525), (111151, 601975), (120395, 555755), (124025, 539489), (149105, 448745), (203975, 328031)]