81827395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1123}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 113299200

約数和(自身を除く): 31471805

約数列:

[1, 5, 13, 19, 59, 65, 95, 247, 295, 767, 1121, 1123, 1235, 3835, 5605, 5615, 14573, 14599, 21337, 66257, 72865, 72995, 106685, 277381, 331285, 861341, 1258883, 1386905, 4306705, 6294415, 16365479, 81827395]

約数ペア:

[(1, 81827395), (5, 16365479), (13, 6294415), (19, 4306705), (59, 1386905), (65, 1258883), (95, 861341), (247, 331285), (295, 277381), (767, 106685), (1121, 72995), (1123, 72865), (1235, 66257), (3835, 21337), (5605, 14599), (5615, 14573)]