256214718

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3931}}^1$

素因数の和:4030

約数の個数: 64

約数和(自身を含む): 611504640

約数和(自身を除く): 355289922

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 71, 102, 142, 153, 213, 306, 426, 459, 639, 918, 1207, 1278, 1917, 2414, 3621, 3834, 3931, 7242, 7862, 10863, 11793, 21726, 23586, 32589, 35379, 65178, 66827, 70758, 106137, 133654, 200481, 212274, 279101, 400962, 558202, 601443, 837303, 1202886, 1674606, 1804329, 2511909, 3608658, 4744717, 5023818, 7535727, 9489434, 14234151, 15071454, 28468302, 42702453, 85404906, 128107359, 256214718]

約数ペア:

[(1, 256214718), (2, 128107359), (3, 85404906), (6, 42702453), (9, 28468302), (17, 15071454), (18, 14234151), (27, 9489434), (34, 7535727), (51, 5023818), (54, 4744717), (71, 3608658), (102, 2511909), (142, 1804329), (153, 1674606), (213, 1202886), (306, 837303), (426, 601443), (459, 558202), (639, 400962), (918, 279101), (1207, 212274), (1278, 200481), (1917, 133654), (2414, 106137), (3621, 70758), (3834, 66827), (3931, 65178), (7242, 35379), (7862, 32589), (10863, 23586), (11793, 21726)]