81152316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1283}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 235557504

約数和(自身を除く): 154405188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 502, 753, 1004, 1283, 1506, 1757, 2259, 2566, 3012, 3514, 3849, 4518, 5132, 5271, 7028, 7698, 8981, 9036, 10542, 11547, 15396, 15813, 17962, 21084, 23094, 26943, 31626, 35924, 46188, 53886, 63252, 80829, 107772, 161658, 322033, 323316, 644066, 966099, 1288132, 1932198, 2254231, 2898297, 3864396, 4508462, 5796594, 6762693, 9016924, 11593188, 13525386, 20288079, 27050772, 40576158, 81152316]

約数ペア:

[(1, 81152316), (2, 40576158), (3, 27050772), (4, 20288079), (6, 13525386), (7, 11593188), (9, 9016924), (12, 6762693), (14, 5796594), (18, 4508462), (21, 3864396), (28, 2898297), (36, 2254231), (42, 1932198), (63, 1288132), (84, 966099), (126, 644066), (251, 323316), (252, 322033), (502, 161658), (753, 107772), (1004, 80829), (1283, 63252), (1506, 53886), (1757, 46188), (2259, 35924), (2566, 31626), (3012, 26943), (3514, 23094), (3849, 21084), (4518, 17962), (5132, 15813), (5271, 15396), (7028, 11547), (7698, 10542), (8981, 9036)]