857640826

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1283

約数の個数: 48

約数和(自身を含む): 1531547136

約数和(自身を除く): 673906310

約数列:

[1, 2, 7, 14, 49, 83, 97, 98, 166, 194, 581, 679, 1087, 1162, 1358, 2174, 4067, 4753, 7609, 8051, 8134, 9506, 15218, 16102, 53263, 56357, 90221, 105439, 106526, 112714, 180442, 210878, 394499, 631547, 738073, 788998, 1263094, 1476146, 4420829, 5166511, 8751437, 8841658, 10333022, 17502874, 61260059, 122520118, 428820413, 857640826]

約数ペア:

[(1, 857640826), (2, 428820413), (7, 122520118), (14, 61260059), (49, 17502874), (83, 10333022), (97, 8841658), (98, 8751437), (166, 5166511), (194, 4420829), (581, 1476146), (679, 1263094), (1087, 788998), (1162, 738073), (1358, 631547), (2174, 394499), (4067, 210878), (4753, 180442), (7609, 112714), (8051, 106526), (8134, 105439), (9506, 90221), (15218, 56357), (16102, 53263)]