81550105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 128386944

約数和(自身を除く): 46836839

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 221, 455, 595, 811, 845, 1105, 1183, 1547, 2873, 4055, 5677, 5915, 7735, 10543, 13787, 14365, 20111, 28385, 52715, 68935, 73801, 96509, 100555, 137059, 179231, 369005, 482545, 685295, 896155, 959413, 1254617, 2330003, 4797065, 6273085, 11650015, 16310021, 81550105]

約数ペア:

[(1, 81550105), (5, 16310021), (7, 11650015), (13, 6273085), (17, 4797065), (35, 2330003), (65, 1254617), (85, 959413), (91, 896155), (119, 685295), (169, 482545), (221, 369005), (455, 179231), (595, 137059), (811, 100555), (845, 96509), (1105, 73801), (1183, 68935), (1547, 52715), (2873, 28385), (4055, 20111), (5677, 14365), (5915, 13787), (7735, 10543)]