28039572

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 108

約数和(自身を含む): 80315508

約数和(自身を除く): 52275936

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 66, 82, 99, 121, 123, 132, 157, 164, 198, 242, 246, 314, 363, 369, 396, 451, 471, 484, 492, 628, 726, 738, 902, 942, 1089, 1353, 1413, 1452, 1476, 1727, 1804, 1884, 2178, 2706, 2826, 3454, 4059, 4356, 4961, 5181, 5412, 5652, 6437, 6908, 8118, 9922, 10362, 12874, 14883, 15543, 16236, 18997, 19311, 19844, 20724, 25748, 29766, 31086, 37994, 38622, 44649, 56991, 57933, 59532, 62172, 70807, 75988, 77244, 89298, 113982, 115866, 141614, 170973, 178596, 212421, 227964, 231732, 283228, 341946, 424842, 637263, 683892, 778877, 849684, 1274526, 1557754, 2336631, 2549052, 3115508, 4673262, 7009893, 9346524, 14019786, 28039572]

約数ペア:

[(1, 28039572), (2, 14019786), (3, 9346524), (4, 7009893), (6, 4673262), (9, 3115508), (11, 2549052), (12, 2336631), (18, 1557754), (22, 1274526), (33, 849684), (36, 778877), (41, 683892), (44, 637263), (66, 424842), (82, 341946), (99, 283228), (121, 231732), (123, 227964), (132, 212421), (157, 178596), (164, 170973), (198, 141614), (242, 115866), (246, 113982), (314, 89298), (363, 77244), (369, 75988), (396, 70807), (451, 62172), (471, 59532), (484, 57933), (492, 56991), (628, 44649), (726, 38622), (738, 37994), (902, 31086), (942, 29766), (1089, 25748), (1353, 20724), (1413, 19844), (1452, 19311), (1476, 18997), (1727, 16236), (1804, 15543), (1884, 14883), (2178, 12874), (2706, 10362), (2826, 9922), (3454, 8118), (4059, 6908), (4356, 6437), (4961, 5652), (5181, 5412)]