913000123

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 1112562176

約数和(自身を除く): 199562053

約数列:

[1, 7, 37, 43, 73, 259, 301, 511, 1123, 1591, 2701, 3139, 7861, 11137, 18907, 21973, 41551, 48289, 81979, 116143, 290857, 338023, 573853, 813001, 1786693, 3033223, 3525097, 12506851, 21232561, 24675679, 130428589, 913000123]

約数ペア:

[(1, 913000123), (7, 130428589), (37, 24675679), (43, 21232561), (73, 12506851), (259, 3525097), (301, 3033223), (511, 1786693), (1123, 813001), (1591, 573853), (2701, 338023), (3139, 290857), (7861, 116143), (11137, 81979), (18907, 48289), (21973, 41551)]