989491272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{28181}}^1$

素因数の和:28227

約数の個数: 128

約数和(自身を含む): 3246566400

約数和(自身を除く): 2257075128

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 33, 38, 42, 44, 56, 57, 66, 76, 77, 84, 88, 114, 132, 133, 152, 154, 168, 209, 228, 231, 264, 266, 308, 399, 418, 456, 462, 532, 616, 627, 798, 836, 924, 1064, 1254, 1463, 1596, 1672, 1848, 2508, 2926, 3192, 4389, 5016, 5852, 8778, 11704, 17556, 28181, 35112, 56362, 84543, 112724, 169086, 197267, 225448, 309991, 338172, 394534, 535439, 591801, 619982, 676344, 789068, 929973, 1070878, 1183602, 1239964, 1578136, 1606317, 1859946, 2141756, 2169937, 2367204, 2479928, 3212634, 3719892, 3748073, 4283512, 4339874, 4734408, 5889829, 6425268, 6509811, 7439784, 7496146, 8679748, 11244219, 11779658, 12850536, 13019622, 14992292, 17359496, 17669487, 22488438, 23559316, 26039244, 29984584, 35338974, 41228803, 44976876, 47118632, 52078488, 70677948, 82457606, 89953752, 123686409, 141355896, 164915212, 247372818, 329830424, 494745636, 989491272]

約数ペア:

[(1, 989491272), (2, 494745636), (3, 329830424), (4, 247372818), (6, 164915212), (7, 141355896), (8, 123686409), (11, 89953752), (12, 82457606), (14, 70677948), (19, 52078488), (21, 47118632), (22, 44976876), (24, 41228803), (28, 35338974), (33, 29984584), (38, 26039244), (42, 23559316), (44, 22488438), (56, 17669487), (57, 17359496), (66, 14992292), (76, 13019622), (77, 12850536), (84, 11779658), (88, 11244219), (114, 8679748), (132, 7496146), (133, 7439784), (152, 6509811), (154, 6425268), (168, 5889829), (209, 4734408), (228, 4339874), (231, 4283512), (264, 3748073), (266, 3719892), (308, 3212634), (399, 2479928), (418, 2367204), (456, 2169937), (462, 2141756), (532, 1859946), (616, 1606317), (627, 1578136), (798, 1239964), (836, 1183602), (924, 1070878), (1064, 929973), (1254, 789068), (1463, 676344), (1596, 619982), (1672, 591801), (1848, 535439), (2508, 394534), (2926, 338172), (3192, 309991), (4389, 225448), (5016, 197267), (5852, 169086), (8778, 112724), (11704, 84543), (17556, 56362), (28181, 35112)]