28657952

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 58877280

約数和(自身を除く): 30219328

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 86, 118, 172, 236, 344, 353, 472, 688, 706, 944, 1376, 1412, 1888, 2537, 2824, 5074, 5648, 10148, 11296, 15179, 20296, 20827, 30358, 40592, 41654, 60716, 81184, 83308, 121432, 166616, 242864, 333232, 485728, 666464, 895561, 1791122, 3582244, 7164488, 14328976, 28657952]

約数ペア:

[(1, 28657952), (2, 14328976), (4, 7164488), (8, 3582244), (16, 1791122), (32, 895561), (43, 666464), (59, 485728), (86, 333232), (118, 242864), (172, 166616), (236, 121432), (344, 83308), (353, 81184), (472, 60716), (688, 41654), (706, 40592), (944, 30358), (1376, 20827), (1412, 20296), (1888, 15179), (2537, 11296), (2824, 10148), (5074, 5648)]