1289341312

素因数分解:

$2^7\times 7^2\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:1000

約数の個数: 96

約数和(自身を含む): 3002117040

約数和(自身を除く): 1712775728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 311, 392, 448, 622, 661, 784, 896, 1244, 1322, 1568, 2177, 2488, 2644, 3136, 4354, 4627, 4976, 5288, 6272, 8708, 9254, 9952, 10576, 15239, 17416, 18508, 19904, 21152, 30478, 32389, 34832, 37016, 39808, 42304, 60956, 64778, 69664, 74032, 84608, 121912, 129556, 139328, 148064, 205571, 243824, 259112, 278656, 296128, 411142, 487648, 518224, 592256, 822284, 975296, 1036448, 1438997, 1644568, 1950592, 2072896, 2877994, 3289136, 4145792, 5755988, 6578272, 10072979, 11511976, 13156544, 20145958, 23023952, 26313088, 40291916, 46047904, 80583832, 92095808, 161167664, 184191616, 322335328, 644670656, 1289341312]

約数ペア:

[(1, 1289341312), (2, 644670656), (4, 322335328), (7, 184191616), (8, 161167664), (14, 92095808), (16, 80583832), (28, 46047904), (32, 40291916), (49, 26313088), (56, 23023952), (64, 20145958), (98, 13156544), (112, 11511976), (128, 10072979), (196, 6578272), (224, 5755988), (311, 4145792), (392, 3289136), (448, 2877994), (622, 2072896), (661, 1950592), (784, 1644568), (896, 1438997), (1244, 1036448), (1322, 975296), (1568, 822284), (2177, 592256), (2488, 518224), (2644, 487648), (3136, 411142), (4354, 296128), (4627, 278656), (4976, 259112), (5288, 243824), (6272, 205571), (8708, 148064), (9254, 139328), (9952, 129556), (10576, 121912), (15239, 84608), (17416, 74032), (18508, 69664), (19904, 64778), (21152, 60956), (30478, 42304), (32389, 39808), (34832, 37016)]