13286880005

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 20323270656

約数和(自身を除く): 7036390651

約数列:

[1, 5, 7, 23, 35, 37, 61, 71, 103, 115, 161, 185, 259, 305, 355, 427, 497, 515, 721, 805, 851, 1295, 1403, 1633, 2135, 2257, 2369, 2485, 2627, 3605, 3811, 4255, 4331, 5957, 6283, 7015, 7313, 8165, 9821, 11285, 11431, 11845, 13135, 15799, 16583, 18389, 19055, 21655, 26677, 29785, 30317, 31415, 36565, 43981, 49105, 51191, 51911, 57155, 60421, 78995, 82915, 87653, 91945, 99613, 133385, 144509, 151585, 160247, 168199, 219905, 232471, 255955, 259555, 270581, 302105, 363377, 422947, 438265, 446093, 498065, 613571, 697291, 722545, 801235, 840995, 1011563, 1121729, 1162355, 1177393, 1352905, 1627297, 1816885, 1894067, 2114735, 2230465, 3067855, 3122651, 3486455, 3685681, 5057815, 5346833, 5608645, 5886965, 6223363, 8136485, 9470335, 10260139, 15613255, 16505441, 18428405, 25799767, 26734165, 31116815, 37427831, 43563541, 51300695, 71820973, 82527205, 115538087, 128998835, 187139155, 217817705, 359104865, 379625143, 577690435, 1898125715, 2657376001, 13286880005]

約数ペア:

[(1, 13286880005), (5, 2657376001), (7, 1898125715), (23, 577690435), (35, 379625143), (37, 359104865), (61, 217817705), (71, 187139155), (103, 128998835), (115, 115538087), (161, 82527205), (185, 71820973), (259, 51300695), (305, 43563541), (355, 37427831), (427, 31116815), (497, 26734165), (515, 25799767), (721, 18428405), (805, 16505441), (851, 15613255), (1295, 10260139), (1403, 9470335), (1633, 8136485), (2135, 6223363), (2257, 5886965), (2369, 5608645), (2485, 5346833), (2627, 5057815), (3605, 3685681), (3811, 3486455), (4255, 3122651), (4331, 3067855), (5957, 2230465), (6283, 2114735), (7015, 1894067), (7313, 1816885), (8165, 1627297), (9821, 1352905), (11285, 1177393), (11431, 1162355), (11845, 1121729), (13135, 1011563), (15799, 840995), (16583, 801235), (18389, 722545), (19055, 697291), (21655, 613571), (26677, 498065), (29785, 446093), (30317, 438265), (31415, 422947), (36565, 363377), (43981, 302105), (49105, 270581), (51191, 259555), (51911, 255955), (57155, 232471), (60421, 219905), (78995, 168199), (82915, 160247), (87653, 151585), (91945, 144509), (99613, 133385)]