2178719916

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{18397}}^1$

素因数の和:18614

約数の個数: 48

約数和(自身を含む): 5192651520

約数和(自身を除く): 3013931604

約数列:

[1, 2, 3, 4, 6, 12, 71, 139, 142, 213, 278, 284, 417, 426, 556, 834, 852, 1668, 9869, 18397, 19738, 29607, 36794, 39476, 55191, 59214, 73588, 110382, 118428, 220764, 1306187, 2557183, 2612374, 3918561, 5114366, 5224748, 7671549, 7837122, 10228732, 15343098, 15674244, 30686196, 181559993, 363119986, 544679979, 726239972, 1089359958, 2178719916]

約数ペア:

[(1, 2178719916), (2, 1089359958), (3, 726239972), (4, 544679979), (6, 363119986), (12, 181559993), (71, 30686196), (139, 15674244), (142, 15343098), (213, 10228732), (278, 7837122), (284, 7671549), (417, 5224748), (426, 5114366), (556, 3918561), (834, 2612374), (852, 2557183), (1668, 1306187), (9869, 220764), (18397, 118428), (19738, 110382), (29607, 73588), (36794, 59214), (39476, 55191)]