1611616461

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1979}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 2803046400

約数和(自身を除く): 1191429939

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 157, 247, 273, 399, 471, 741, 1099, 1729, 1979, 2041, 2983, 3297, 5187, 5937, 6123, 8949, 13853, 14287, 20881, 25727, 37601, 38779, 41559, 42861, 62643, 77181, 112803, 116337, 180089, 263207, 271453, 310703, 488813, 540267, 789621, 814359, 932109, 1466439, 2174921, 3421691, 4039139, 5903357, 6524763, 10265073, 12117417, 17710071, 28273973, 41323499, 76743641, 84821919, 123970497, 230230923, 537205487, 1611616461]

約数ペア:

[(1, 1611616461), (3, 537205487), (7, 230230923), (13, 123970497), (19, 84821919), (21, 76743641), (39, 41323499), (57, 28273973), (91, 17710071), (133, 12117417), (157, 10265073), (247, 6524763), (273, 5903357), (399, 4039139), (471, 3421691), (741, 2174921), (1099, 1466439), (1729, 932109), (1979, 814359), (2041, 789621), (2983, 540267), (3297, 488813), (5187, 310703), (5937, 271453), (6123, 263207), (8949, 180089), (13853, 116337), (14287, 112803), (20881, 77181), (25727, 62643), (37601, 42861), (38779, 41559)]