261241032

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 748339200

約数和(自身を除く): 487098168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 127, 152, 156, 228, 247, 254, 312, 347, 381, 456, 494, 508, 694, 741, 762, 988, 1016, 1041, 1388, 1482, 1524, 1651, 1976, 2082, 2413, 2776, 2964, 3048, 3302, 4164, 4511, 4826, 4953, 5928, 6593, 6604, 7239, 8328, 9022, 9652, 9906, 13186, 13208, 13533, 14478, 18044, 19304, 19779, 19812, 26372, 27066, 28956, 31369, 36088, 39558, 39624, 44069, 52744, 54132, 57912, 62738, 79116, 85709, 88138, 94107, 108264, 125476, 132207, 158232, 171418, 176276, 188214, 250952, 257127, 264414, 342836, 352552, 376428, 514254, 528828, 572897, 685672, 752856, 837311, 1028508, 1057656, 1145794, 1674622, 1718691, 2057016, 2291588, 2511933, 3349244, 3437382, 4583176, 5023866, 6698488, 6874764, 10047732, 10885043, 13749528, 20095464, 21770086, 32655129, 43540172, 65310258, 87080344, 130620516, 261241032]

約数ペア:

[(1, 261241032), (2, 130620516), (3, 87080344), (4, 65310258), (6, 43540172), (8, 32655129), (12, 21770086), (13, 20095464), (19, 13749528), (24, 10885043), (26, 10047732), (38, 6874764), (39, 6698488), (52, 5023866), (57, 4583176), (76, 3437382), (78, 3349244), (104, 2511933), (114, 2291588), (127, 2057016), (152, 1718691), (156, 1674622), (228, 1145794), (247, 1057656), (254, 1028508), (312, 837311), (347, 752856), (381, 685672), (456, 572897), (494, 528828), (508, 514254), (694, 376428), (741, 352552), (762, 342836), (988, 264414), (1016, 257127), (1041, 250952), (1388, 188214), (1482, 176276), (1524, 171418), (1651, 158232), (1976, 132207), (2082, 125476), (2413, 108264), (2776, 94107), (2964, 88138), (3048, 85709), (3302, 79116), (4164, 62738), (4511, 57912), (4826, 54132), (4953, 52744), (5928, 44069), (6593, 39624), (6604, 39558), (7239, 36088), (8328, 31369), (9022, 28956), (9652, 27066), (9906, 26372), (13186, 19812), (13208, 19779), (13533, 19304), (14478, 18044)]