978173868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{6473}}^1$

素因数の和:6751

約数の個数: 72

約数和(自身を含む): 2665786032

約数和(自身を除く): 1687612164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 257, 294, 514, 588, 771, 1028, 1542, 1799, 3084, 3598, 5397, 6473, 7196, 10794, 12593, 12946, 19419, 21588, 25186, 25892, 37779, 38838, 45311, 50372, 75558, 77676, 90622, 135933, 151116, 181244, 271866, 317177, 543732, 634354, 951531, 1268708, 1663561, 1903062, 3327122, 3806124, 4990683, 6654244, 9981366, 11644927, 19962732, 23289854, 34934781, 46579708, 69869562, 81514489, 139739124, 163028978, 244543467, 326057956, 489086934, 978173868]

約数ペア:

[(1, 978173868), (2, 489086934), (3, 326057956), (4, 244543467), (6, 163028978), (7, 139739124), (12, 81514489), (14, 69869562), (21, 46579708), (28, 34934781), (42, 23289854), (49, 19962732), (84, 11644927), (98, 9981366), (147, 6654244), (196, 4990683), (257, 3806124), (294, 3327122), (514, 1903062), (588, 1663561), (771, 1268708), (1028, 951531), (1542, 634354), (1799, 543732), (3084, 317177), (3598, 271866), (5397, 181244), (6473, 151116), (7196, 135933), (10794, 90622), (12593, 77676), (12946, 75558), (19419, 50372), (21588, 45311), (25186, 38838), (25892, 37779)]