217132884

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{937}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 566435688

約数和(自身を除く): 349302804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 157, 164, 246, 314, 369, 471, 492, 628, 738, 937, 942, 1413, 1476, 1874, 1884, 2811, 2826, 3748, 5622, 5652, 6437, 8433, 11244, 12874, 16866, 19311, 25748, 33732, 38417, 38622, 57933, 76834, 77244, 115251, 115866, 147109, 153668, 230502, 231732, 294218, 345753, 441327, 461004, 588436, 691506, 882654, 1323981, 1383012, 1765308, 2647962, 5295924, 6031469, 12062938, 18094407, 24125876, 36188814, 54283221, 72377628, 108566442, 217132884]

約数ペア:

[(1, 217132884), (2, 108566442), (3, 72377628), (4, 54283221), (6, 36188814), (9, 24125876), (12, 18094407), (18, 12062938), (36, 6031469), (41, 5295924), (82, 2647962), (123, 1765308), (157, 1383012), (164, 1323981), (246, 882654), (314, 691506), (369, 588436), (471, 461004), (492, 441327), (628, 345753), (738, 294218), (937, 231732), (942, 230502), (1413, 153668), (1476, 147109), (1874, 115866), (1884, 115251), (2811, 77244), (2826, 76834), (3748, 57933), (5622, 38622), (5652, 38417), (6437, 33732), (8433, 25748), (11244, 19311), (12874, 16866)]