1387656193

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 1844720640

約数和(自身を除く): 457064447

約数列:

[1, 7, 11, 31, 41, 77, 121, 217, 287, 341, 451, 847, 1271, 1289, 2387, 3157, 3751, 4961, 8897, 9023, 13981, 14179, 26257, 34727, 39959, 52849, 97867, 99253, 153791, 155969, 279713, 369943, 439549, 581339, 1076537, 1091783, 1638319, 3076843, 4069373, 4835039, 6394729, 11468233, 18021509, 33845273, 44763103, 126150563, 198236599, 1387656193]

約数ペア:

[(1, 1387656193), (7, 198236599), (11, 126150563), (31, 44763103), (41, 33845273), (77, 18021509), (121, 11468233), (217, 6394729), (287, 4835039), (341, 4069373), (451, 3076843), (847, 1638319), (1271, 1091783), (1289, 1076537), (2387, 581339), (3157, 439549), (3751, 369943), (4961, 279713), (8897, 155969), (9023, 153791), (13981, 99253), (14179, 97867), (26257, 52849), (34727, 39959)]