81230268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 222192768

約数和(自身を除く): 140962500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 523, 602, 903, 1046, 1204, 1569, 1806, 1849, 2092, 3138, 3612, 3661, 3698, 5547, 6276, 7322, 7396, 10983, 11094, 12943, 14644, 21966, 22188, 22489, 25886, 38829, 43932, 44978, 51772, 67467, 77658, 89956, 134934, 155316, 157423, 269868, 314846, 472269, 629692, 944538, 967027, 1889076, 1934054, 2901081, 3868108, 5802162, 6769189, 11604324, 13538378, 20307567, 27076756, 40615134, 81230268]

約数ペア:

[(1, 81230268), (2, 40615134), (3, 27076756), (4, 20307567), (6, 13538378), (7, 11604324), (12, 6769189), (14, 5802162), (21, 3868108), (28, 2901081), (42, 1934054), (43, 1889076), (84, 967027), (86, 944538), (129, 629692), (172, 472269), (258, 314846), (301, 269868), (516, 157423), (523, 155316), (602, 134934), (903, 89956), (1046, 77658), (1204, 67467), (1569, 51772), (1806, 44978), (1849, 43932), (2092, 38829), (3138, 25886), (3612, 22489), (3661, 22188), (3698, 21966), (5547, 14644), (6276, 12943), (7322, 11094), (7396, 10983)]