86991856

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 212972976

約数和(自身を除く): 125981120

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 61, 68, 98, 107, 112, 119, 122, 136, 196, 214, 238, 244, 272, 392, 427, 428, 476, 488, 749, 784, 833, 854, 856, 952, 976, 1037, 1498, 1666, 1708, 1712, 1819, 1904, 2074, 2989, 2996, 3332, 3416, 3638, 4148, 5243, 5978, 5992, 6527, 6664, 6832, 7259, 7276, 8296, 10486, 11956, 11984, 12733, 13054, 13328, 14518, 14552, 16592, 20972, 23912, 25466, 26108, 29036, 29104, 41944, 45689, 47824, 50813, 50932, 52216, 58072, 83888, 89131, 91378, 101626, 101864, 104432, 110959, 116144, 178262, 182756, 203252, 203728, 221918, 319823, 356524, 365512, 406504, 443836, 639646, 713048, 731024, 776713, 813008, 887672, 1279292, 1426096, 1553426, 1775344, 2558584, 3106852, 5117168, 5436991, 6213704, 10873982, 12427408, 21747964, 43495928, 86991856]

約数ペア:

[(1, 86991856), (2, 43495928), (4, 21747964), (7, 12427408), (8, 10873982), (14, 6213704), (16, 5436991), (17, 5117168), (28, 3106852), (34, 2558584), (49, 1775344), (56, 1553426), (61, 1426096), (68, 1279292), (98, 887672), (107, 813008), (112, 776713), (119, 731024), (122, 713048), (136, 639646), (196, 443836), (214, 406504), (238, 365512), (244, 356524), (272, 319823), (392, 221918), (427, 203728), (428, 203252), (476, 182756), (488, 178262), (749, 116144), (784, 110959), (833, 104432), (854, 101864), (856, 101626), (952, 91378), (976, 89131), (1037, 83888), (1498, 58072), (1666, 52216), (1708, 50932), (1712, 50813), (1819, 47824), (1904, 45689), (2074, 41944), (2989, 29104), (2996, 29036), (3332, 26108), (3416, 25466), (3638, 23912), (4148, 20972), (5243, 16592), (5978, 14552), (5992, 14518), (6527, 13328), (6664, 13054), (6832, 12733), (7259, 11984), (7276, 11956), (8296, 10486)]