261826248

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 725483520

約数和(自身を除く): 463657272

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 127, 136, 163, 186, 204, 248, 254, 326, 372, 381, 408, 489, 508, 527, 652, 744, 762, 978, 1016, 1054, 1304, 1524, 1581, 1956, 2108, 2159, 2771, 3048, 3162, 3912, 3937, 4216, 4318, 5053, 5542, 6324, 6477, 7874, 8313, 8636, 10106, 11084, 11811, 12648, 12954, 15159, 15748, 16626, 17272, 20212, 20701, 22168, 23622, 25908, 30318, 31496, 33252, 40424, 41402, 47244, 51816, 60636, 62103, 66504, 66929, 82804, 85901, 94488, 121272, 124206, 133858, 165608, 171802, 200787, 248412, 257703, 267716, 343604, 351917, 401574, 496824, 515406, 535432, 641731, 687208, 703834, 803148, 1030812, 1055751, 1283462, 1407668, 1606296, 1925193, 2061624, 2111502, 2566924, 2815336, 3850386, 4223004, 5133848, 7700772, 8446008, 10909427, 15401544, 21818854, 32728281, 43637708, 65456562, 87275416, 130913124, 261826248]

約数ペア:

[(1, 261826248), (2, 130913124), (3, 87275416), (4, 65456562), (6, 43637708), (8, 32728281), (12, 21818854), (17, 15401544), (24, 10909427), (31, 8446008), (34, 7700772), (51, 5133848), (62, 4223004), (68, 3850386), (93, 2815336), (102, 2566924), (124, 2111502), (127, 2061624), (136, 1925193), (163, 1606296), (186, 1407668), (204, 1283462), (248, 1055751), (254, 1030812), (326, 803148), (372, 703834), (381, 687208), (408, 641731), (489, 535432), (508, 515406), (527, 496824), (652, 401574), (744, 351917), (762, 343604), (978, 267716), (1016, 257703), (1054, 248412), (1304, 200787), (1524, 171802), (1581, 165608), (1956, 133858), (2108, 124206), (2159, 121272), (2771, 94488), (3048, 85901), (3162, 82804), (3912, 66929), (3937, 66504), (4216, 62103), (4318, 60636), (5053, 51816), (5542, 47244), (6324, 41402), (6477, 40424), (7874, 33252), (8313, 31496), (8636, 30318), (10106, 25908), (11084, 23622), (11811, 22168), (12648, 20701), (12954, 20212), (15159, 17272), (15748, 16626)]