178169095

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 249816960

約数和(自身を除く): 71647865

約数列:

[1, 5, 13, 17, 65, 79, 85, 157, 169, 221, 395, 785, 845, 1027, 1105, 1343, 2041, 2669, 2873, 5135, 6715, 10205, 12403, 13345, 13351, 14365, 17459, 26533, 34697, 62015, 66755, 87295, 132665, 161239, 173485, 210851, 226967, 451061, 806195, 1054255, 1134835, 2096107, 2255305, 2741063, 10480535, 13705315, 35633819, 178169095]

約数ペア:

[(1, 178169095), (5, 35633819), (13, 13705315), (17, 10480535), (65, 2741063), (79, 2255305), (85, 2096107), (157, 1134835), (169, 1054255), (221, 806195), (395, 451061), (785, 226967), (845, 210851), (1027, 173485), (1105, 161239), (1343, 132665), (2041, 87295), (2669, 66755), (2873, 62015), (5135, 34697), (6715, 26533), (10205, 17459), (12403, 14365), (13345, 13351)]