28129068

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 78152256

約数和(自身を除く): 50023188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 251, 283, 396, 502, 566, 753, 849, 1004, 1132, 1506, 1698, 2259, 2547, 2761, 3012, 3113, 3396, 4518, 5094, 5522, 6226, 8283, 9036, 9339, 10188, 11044, 12452, 16566, 18678, 24849, 28017, 33132, 37356, 49698, 56034, 71033, 99396, 112068, 142066, 213099, 284132, 426198, 639297, 781363, 852396, 1278594, 1562726, 2344089, 2557188, 3125452, 4688178, 7032267, 9376356, 14064534, 28129068]

約数ペア:

[(1, 28129068), (2, 14064534), (3, 9376356), (4, 7032267), (6, 4688178), (9, 3125452), (11, 2557188), (12, 2344089), (18, 1562726), (22, 1278594), (33, 852396), (36, 781363), (44, 639297), (66, 426198), (99, 284132), (132, 213099), (198, 142066), (251, 112068), (283, 99396), (396, 71033), (502, 56034), (566, 49698), (753, 37356), (849, 33132), (1004, 28017), (1132, 24849), (1506, 18678), (1698, 16566), (2259, 12452), (2547, 11044), (2761, 10188), (3012, 9339), (3113, 9036), (3396, 8283), (4518, 6226), (5094, 5522)]