81828656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 199820544

約数和(自身を除く): 117991888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1307, 1456, 2236, 2408, 2614, 3913, 4472, 4816, 5228, 7826, 8944, 9149, 10456, 15652, 16991, 18298, 20912, 31304, 33982, 36596, 56201, 62608, 67964, 73192, 112402, 118937, 135928, 146384, 224804, 237874, 271856, 393407, 449608, 475748, 730613, 786814, 899216, 951496, 1461226, 1573628, 1902992, 2922452, 3147256, 5114291, 5844904, 6294512, 10228582, 11689808, 20457164, 40914328, 81828656]

約数ペア:

[(1, 81828656), (2, 40914328), (4, 20457164), (7, 11689808), (8, 10228582), (13, 6294512), (14, 5844904), (16, 5114291), (26, 3147256), (28, 2922452), (43, 1902992), (52, 1573628), (56, 1461226), (86, 951496), (91, 899216), (104, 786814), (112, 730613), (172, 475748), (182, 449608), (208, 393407), (301, 271856), (344, 237874), (364, 224804), (559, 146384), (602, 135928), (688, 118937), (728, 112402), (1118, 73192), (1204, 67964), (1307, 62608), (1456, 56201), (2236, 36596), (2408, 33982), (2614, 31304), (3913, 20912), (4472, 18298), (4816, 16991), (5228, 15652), (7826, 10456), (8944, 9149)]