81551344

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2017}}^1$

素因数の和:2070

約数の個数: 60

約数和(自身を含む): 190676784

約数和(自身を除く): 109125440

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 722, 1064, 1444, 2017, 2128, 2527, 2888, 4034, 5054, 5776, 8068, 10108, 14119, 16136, 20216, 28238, 32272, 38323, 40432, 56476, 76646, 112952, 153292, 225904, 268261, 306584, 536522, 613168, 728137, 1073044, 1456274, 2146088, 2912548, 4292176, 5096959, 5825096, 10193918, 11650192, 20387836, 40775672, 81551344]

約数ペア:

[(1, 81551344), (2, 40775672), (4, 20387836), (7, 11650192), (8, 10193918), (14, 5825096), (16, 5096959), (19, 4292176), (28, 2912548), (38, 2146088), (56, 1456274), (76, 1073044), (112, 728137), (133, 613168), (152, 536522), (266, 306584), (304, 268261), (361, 225904), (532, 153292), (722, 112952), (1064, 76646), (1444, 56476), (2017, 40432), (2128, 38323), (2527, 32272), (2888, 28238), (4034, 20216), (5054, 16136), (5776, 14119), (8068, 10108)]