517808538

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3463}}^1$

素因数の和:3561

約数の個数: 80

約数和(自身を含む): 1267491456

約数和(自身を除く): 749682918

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 81, 117, 142, 162, 213, 234, 351, 426, 639, 702, 923, 1053, 1278, 1846, 1917, 2106, 2769, 3463, 3834, 5538, 5751, 6926, 8307, 10389, 11502, 16614, 20778, 24921, 31167, 45019, 49842, 62334, 74763, 90038, 93501, 135057, 149526, 187002, 245873, 270114, 280503, 405171, 491746, 561006, 737619, 810342, 1215513, 1475238, 2212857, 2431026, 3196349, 3646539, 4425714, 6392698, 6638571, 7293078, 9589047, 13277142, 19178094, 19915713, 28767141, 39831426, 57534282, 86301423, 172602846, 258904269, 517808538]

約数ペア:

[(1, 517808538), (2, 258904269), (3, 172602846), (6, 86301423), (9, 57534282), (13, 39831426), (18, 28767141), (26, 19915713), (27, 19178094), (39, 13277142), (54, 9589047), (71, 7293078), (78, 6638571), (81, 6392698), (117, 4425714), (142, 3646539), (162, 3196349), (213, 2431026), (234, 2212857), (351, 1475238), (426, 1215513), (639, 810342), (702, 737619), (923, 561006), (1053, 491746), (1278, 405171), (1846, 280503), (1917, 270114), (2106, 245873), (2769, 187002), (3463, 149526), (3834, 135057), (5538, 93501), (5751, 90038), (6926, 74763), (8307, 62334), (10389, 49842), (11502, 45019), (16614, 31167), (20778, 24921)]