28251912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 82575360

約数和(自身を除く): 54323448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 31, 39, 46, 52, 62, 69, 78, 92, 93, 104, 124, 127, 138, 156, 184, 186, 248, 254, 276, 299, 312, 372, 381, 403, 508, 552, 598, 713, 744, 762, 806, 897, 1016, 1196, 1209, 1426, 1524, 1612, 1651, 1794, 2139, 2392, 2418, 2852, 2921, 3048, 3224, 3302, 3588, 3937, 4278, 4836, 4953, 5704, 5842, 6604, 7176, 7874, 8556, 8763, 9269, 9672, 9906, 11684, 11811, 13208, 15748, 17112, 17526, 18538, 19812, 23368, 23622, 27807, 31496, 35052, 37076, 37973, 39624, 47244, 51181, 55614, 70104, 74152, 75946, 90551, 94488, 102362, 111228, 113919, 151892, 153543, 181102, 204724, 222456, 227838, 271653, 303784, 307086, 362204, 409448, 455676, 543306, 614172, 724408, 911352, 1086612, 1177163, 1228344, 2173224, 2354326, 3531489, 4708652, 7062978, 9417304, 14125956, 28251912]

約数ペア:

[(1, 28251912), (2, 14125956), (3, 9417304), (4, 7062978), (6, 4708652), (8, 3531489), (12, 2354326), (13, 2173224), (23, 1228344), (24, 1177163), (26, 1086612), (31, 911352), (39, 724408), (46, 614172), (52, 543306), (62, 455676), (69, 409448), (78, 362204), (92, 307086), (93, 303784), (104, 271653), (124, 227838), (127, 222456), (138, 204724), (156, 181102), (184, 153543), (186, 151892), (248, 113919), (254, 111228), (276, 102362), (299, 94488), (312, 90551), (372, 75946), (381, 74152), (403, 70104), (508, 55614), (552, 51181), (598, 47244), (713, 39624), (744, 37973), (762, 37076), (806, 35052), (897, 31496), (1016, 27807), (1196, 23622), (1209, 23368), (1426, 19812), (1524, 18538), (1612, 17526), (1651, 17112), (1794, 15748), (2139, 13208), (2392, 11811), (2418, 11684), (2852, 9906), (2921, 9672), (3048, 9269), (3224, 8763), (3302, 8556), (3588, 7874), (3937, 7176), (4278, 6604), (4836, 5842), (4953, 5704)]