81675328

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5881}}^1$

素因数の和:5931

約数の個数: 56

約数和(自身を含む): 191235584

約数和(自身を除く): 109560256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 5881, 6944, 11762, 13888, 23524, 41167, 47048, 82334, 94096, 164668, 182311, 188192, 329336, 364622, 376384, 658672, 729244, 1276177, 1317344, 1458488, 2552354, 2634688, 2916976, 5104708, 5833952, 10209416, 11667904, 20418832, 40837664, 81675328]

約数ペア:

[(1, 81675328), (2, 40837664), (4, 20418832), (7, 11667904), (8, 10209416), (14, 5833952), (16, 5104708), (28, 2916976), (31, 2634688), (32, 2552354), (56, 1458488), (62, 1317344), (64, 1276177), (112, 729244), (124, 658672), (217, 376384), (224, 364622), (248, 329336), (434, 188192), (448, 182311), (496, 164668), (868, 94096), (992, 82334), (1736, 47048), (1984, 41167), (3472, 23524), (5881, 13888), (6944, 11762)]