81639712

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1994

約数の個数: 96

約数和(自身を含む): 212284800

約数和(自身を除く): 130645088

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 224, 238, 272, 308, 352, 374, 476, 544, 616, 748, 952, 1232, 1309, 1496, 1904, 1949, 2464, 2618, 2992, 3808, 3898, 5236, 5984, 7796, 10472, 13643, 15592, 20944, 21439, 27286, 31184, 33133, 41888, 42878, 54572, 62368, 66266, 85756, 109144, 132532, 150073, 171512, 218288, 231931, 265064, 300146, 343024, 364463, 436576, 463862, 530128, 600292, 686048, 728926, 927724, 1060256, 1200584, 1457852, 1855448, 2401168, 2551241, 2915704, 3710896, 4802336, 5102482, 5831408, 7421792, 10204964, 11662816, 20409928, 40819856, 81639712]

約数ペア:

[(1, 81639712), (2, 40819856), (4, 20409928), (7, 11662816), (8, 10204964), (11, 7421792), (14, 5831408), (16, 5102482), (17, 4802336), (22, 3710896), (28, 2915704), (32, 2551241), (34, 2401168), (44, 1855448), (56, 1457852), (68, 1200584), (77, 1060256), (88, 927724), (112, 728926), (119, 686048), (136, 600292), (154, 530128), (176, 463862), (187, 436576), (224, 364463), (238, 343024), (272, 300146), (308, 265064), (352, 231931), (374, 218288), (476, 171512), (544, 150073), (616, 132532), (748, 109144), (952, 85756), (1232, 66266), (1309, 62368), (1496, 54572), (1904, 42878), (1949, 41888), (2464, 33133), (2618, 31184), (2992, 27286), (3808, 21439), (3898, 20944), (5236, 15592), (5984, 13643), (7796, 10472)]