1291211538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2543

約数の個数: 64

約数和(自身を含む): 2798945280

約数和(自身を除く): 1507733742

約数列:

[1, 2, 3, 6, 19, 38, 57, 67, 71, 114, 134, 142, 201, 213, 402, 426, 1273, 1349, 2381, 2546, 2698, 3819, 4047, 4757, 4762, 7143, 7638, 8094, 9514, 14271, 14286, 28542, 45239, 90383, 90478, 135717, 159527, 169051, 180766, 271149, 271434, 319054, 338102, 478581, 507153, 542298, 957162, 1014306, 3031013, 3211969, 6062026, 6423938, 9093039, 9635907, 11326417, 18186078, 19271814, 22652834, 33979251, 67958502, 215201923, 430403846, 645605769, 1291211538]

約数ペア:

[(1, 1291211538), (2, 645605769), (3, 430403846), (6, 215201923), (19, 67958502), (38, 33979251), (57, 22652834), (67, 19271814), (71, 18186078), (114, 11326417), (134, 9635907), (142, 9093039), (201, 6423938), (213, 6062026), (402, 3211969), (426, 3031013), (1273, 1014306), (1349, 957162), (2381, 542298), (2546, 507153), (2698, 478581), (3819, 338102), (4047, 319054), (4757, 271434), (4762, 271149), (7143, 180766), (7638, 169051), (8094, 159527), (9514, 135717), (14271, 90478), (14286, 90383), (28542, 45239)]