155465576

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 343906560

約数和(自身を除く): 188440984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 71, 122, 142, 244, 284, 427, 488, 497, 568, 641, 854, 994, 1282, 1708, 1988, 2564, 3416, 3976, 4331, 4487, 5128, 8662, 8974, 17324, 17948, 30317, 34648, 35896, 39101, 45511, 60634, 78202, 91022, 121268, 156404, 182044, 242536, 273707, 312808, 318577, 364088, 547414, 637154, 1094828, 1274308, 2189656, 2548616, 2776171, 5552342, 11104684, 19433197, 22209368, 38866394, 77732788, 155465576]

約数ペア:

[(1, 155465576), (2, 77732788), (4, 38866394), (7, 22209368), (8, 19433197), (14, 11104684), (28, 5552342), (56, 2776171), (61, 2548616), (71, 2189656), (122, 1274308), (142, 1094828), (244, 637154), (284, 547414), (427, 364088), (488, 318577), (497, 312808), (568, 273707), (641, 242536), (854, 182044), (994, 156404), (1282, 121268), (1708, 91022), (1988, 78202), (2564, 60634), (3416, 45511), (3976, 39101), (4331, 35896), (4487, 34648), (5128, 30317), (8662, 17948), (8974, 17324)]