1638920808

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{8191}}^1$

素因数の和:8607

約数の個数: 96

約数和(自身を含む): 5086248960

約数和(自身を除く): 3447328152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 397, 504, 794, 1191, 1588, 2382, 2779, 3176, 3573, 4764, 5558, 7146, 8191, 8337, 9528, 11116, 14292, 16382, 16674, 22232, 24573, 25011, 28584, 32764, 33348, 49146, 50022, 57337, 65528, 66696, 73719, 98292, 100044, 114674, 147438, 172011, 196584, 200088, 229348, 294876, 344022, 458696, 516033, 589752, 688044, 1032066, 1376088, 2064132, 3251827, 4128264, 6503654, 9755481, 13007308, 19510962, 22762789, 26014616, 29266443, 39021924, 45525578, 58532886, 68288367, 78043848, 91051156, 117065772, 136576734, 182102312, 204865101, 234131544, 273153468, 409730202, 546306936, 819460404, 1638920808]

約数ペア:

[(1, 1638920808), (2, 819460404), (3, 546306936), (4, 409730202), (6, 273153468), (7, 234131544), (8, 204865101), (9, 182102312), (12, 136576734), (14, 117065772), (18, 91051156), (21, 78043848), (24, 68288367), (28, 58532886), (36, 45525578), (42, 39021924), (56, 29266443), (63, 26014616), (72, 22762789), (84, 19510962), (126, 13007308), (168, 9755481), (252, 6503654), (397, 4128264), (504, 3251827), (794, 2064132), (1191, 1376088), (1588, 1032066), (2382, 688044), (2779, 589752), (3176, 516033), (3573, 458696), (4764, 344022), (5558, 294876), (7146, 229348), (8191, 200088), (8337, 196584), (9528, 172011), (11116, 147438), (14292, 114674), (16382, 100044), (16674, 98292), (22232, 73719), (24573, 66696), (25011, 65528), (28584, 57337), (32764, 50022), (33348, 49146)]