261987726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:458

約数の個数: 128

約数和(自身を含む): 710341632

約数和(自身を除く): 448353906

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 181, 182, 231, 241, 273, 286, 362, 429, 462, 482, 543, 546, 723, 858, 1001, 1086, 1267, 1446, 1687, 1991, 2002, 2353, 2534, 2651, 3003, 3133, 3374, 3801, 3982, 4706, 5061, 5302, 5973, 6006, 6266, 7059, 7602, 7953, 9399, 10122, 11946, 13937, 14118, 15906, 16471, 18557, 18798, 21931, 25883, 27874, 32942, 34463, 37114, 41811, 43621, 43862, 49413, 51766, 55671, 65793, 68926, 77649, 83622, 87242, 98826, 103389, 111342, 130863, 131586, 155298, 181181, 206778, 241241, 261726, 305347, 362362, 479831, 482482, 543543, 567073, 610694, 723723, 916041, 959662, 1087086, 1134146, 1439493, 1447446, 1701219, 1832082, 2878986, 3358817, 3402438, 3969511, 6237803, 6717634, 7939022, 10076451, 11908533, 12475606, 18713409, 20152902, 23817066, 37426818, 43664621, 87329242, 130993863, 261987726]

約数ペア:

[(1, 261987726), (2, 130993863), (3, 87329242), (6, 43664621), (7, 37426818), (11, 23817066), (13, 20152902), (14, 18713409), (21, 12475606), (22, 11908533), (26, 10076451), (33, 7939022), (39, 6717634), (42, 6237803), (66, 3969511), (77, 3402438), (78, 3358817), (91, 2878986), (143, 1832082), (154, 1701219), (181, 1447446), (182, 1439493), (231, 1134146), (241, 1087086), (273, 959662), (286, 916041), (362, 723723), (429, 610694), (462, 567073), (482, 543543), (543, 482482), (546, 479831), (723, 362362), (858, 305347), (1001, 261726), (1086, 241241), (1267, 206778), (1446, 181181), (1687, 155298), (1991, 131586), (2002, 130863), (2353, 111342), (2534, 103389), (2651, 98826), (3003, 87242), (3133, 83622), (3374, 77649), (3801, 68926), (3982, 65793), (4706, 55671), (5061, 51766), (5302, 49413), (5973, 43862), (6006, 43621), (6266, 41811), (7059, 37114), (7602, 34463), (7953, 32942), (9399, 27874), (10122, 25883), (11946, 21931), (13937, 18798), (14118, 18557), (15906, 16471)]