83921435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 115758720

約数和(自身を除く): 31837285

約数列:

[1, 5, 13, 17, 65, 85, 173, 221, 439, 865, 1105, 2195, 2249, 2941, 5707, 7463, 11245, 14705, 28535, 37315, 38233, 75947, 97019, 191165, 379735, 485095, 987311, 1291099, 4936555, 6455495, 16784287, 83921435]

約数ペア:

[(1, 83921435), (5, 16784287), (13, 6455495), (17, 4936555), (65, 1291099), (85, 987311), (173, 485095), (221, 379735), (439, 191165), (865, 97019), (1105, 75947), (2195, 38233), (2249, 37315), (2941, 28535), (5707, 14705), (7463, 11245)]