261654107638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1831}}^1\times {\mathrm{4663}}^1$

素因数の和:6713

約数の個数: 64

約数和(自身を含む): 492160204800

約数和(自身を除く): 230506097162

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 199, 398, 1393, 1831, 2189, 2786, 3662, 4378, 4663, 9326, 12817, 15323, 20141, 25634, 30646, 32641, 40282, 51293, 65282, 102586, 140987, 281974, 359051, 364369, 718102, 728738, 927937, 1855874, 2550583, 4008059, 5101166, 6495559, 8016118, 8537953, 10207307, 12991118, 17075906, 20414614, 28056413, 56112826, 59765671, 71451149, 93917483, 119531342, 142902298, 187834966, 657422381, 1314844762, 1699052647, 3398105294, 11893368529, 18689579117, 23786737058, 37379158234, 130827053819, 261654107638]

約数ペア:

[(1, 261654107638), (2, 130827053819), (7, 37379158234), (11, 23786737058), (14, 18689579117), (22, 11893368529), (77, 3398105294), (154, 1699052647), (199, 1314844762), (398, 657422381), (1393, 187834966), (1831, 142902298), (2189, 119531342), (2786, 93917483), (3662, 71451149), (4378, 59765671), (4663, 56112826), (9326, 28056413), (12817, 20414614), (15323, 17075906), (20141, 12991118), (25634, 10207307), (30646, 8537953), (32641, 8016118), (40282, 6495559), (51293, 5101166), (65282, 4008059), (102586, 2550583), (140987, 1855874), (281974, 927937), (359051, 728738), (364369, 718102)]