1980981078

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1733

約数の個数: 64

約数和(自身を含む): 4251087360

約数和(自身を除く): 2270106282

約数列:

[1, 2, 3, 6, 19, 38, 57, 103, 113, 114, 206, 226, 309, 339, 618, 678, 1493, 1957, 2147, 2986, 3914, 4294, 4479, 5871, 6441, 8958, 11639, 11742, 12882, 23278, 28367, 34917, 56734, 69834, 85101, 153779, 168709, 170202, 221141, 307558, 337418, 442282, 461337, 506127, 663423, 922674, 1012254, 1326846, 2921801, 3205471, 5843602, 6410942, 8765403, 9616413, 17377027, 17530806, 19232826, 34754054, 52131081, 104262162, 330163513, 660327026, 990490539, 1980981078]

約数ペア:

[(1, 1980981078), (2, 990490539), (3, 660327026), (6, 330163513), (19, 104262162), (38, 52131081), (57, 34754054), (103, 19232826), (113, 17530806), (114, 17377027), (206, 9616413), (226, 8765403), (309, 6410942), (339, 5843602), (618, 3205471), (678, 2921801), (1493, 1326846), (1957, 1012254), (2147, 922674), (2986, 663423), (3914, 506127), (4294, 461337), (4479, 442282), (5871, 337418), (6441, 307558), (8958, 221141), (11639, 170202), (11742, 168709), (12882, 153779), (23278, 85101), (28367, 69834), (34917, 56734)]