181997263

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{1259}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 211196160

約数和(自身を除く): 29198897

約数列:

[1, 7, 107, 193, 749, 1259, 1351, 8813, 20651, 134713, 144557, 242987, 942991, 1700909, 25999609, 181997263]

約数ペア:

[(1, 181997263), (7, 25999609), (107, 1700909), (193, 942991), (749, 242987), (1259, 144557), (1351, 134713), (8813, 20651)]