78990065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 118886400

約数和(自身を除く): 39896335

約数列:

[1, 5, 7, 11, 35, 55, 77, 199, 385, 995, 1031, 1393, 2189, 5155, 6965, 7217, 10945, 11341, 15323, 36085, 56705, 76615, 79387, 205169, 396935, 1025845, 1436183, 2256859, 7180915, 11284295, 15798013, 78990065]

約数ペア:

[(1, 78990065), (5, 15798013), (7, 11284295), (11, 7180915), (35, 2256859), (55, 1436183), (77, 1025845), (199, 396935), (385, 205169), (995, 79387), (1031, 76615), (1393, 56705), (2189, 36085), (5155, 15323), (6965, 11341), (7217, 10945)]