83717660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{321991}}^1$

素因数の和:322013

約数の個数: 24

約数和(自身を含む): 189331296

約数和(自身を除く): 105613636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 321991, 643982, 1287964, 1609955, 3219910, 4185883, 6439820, 8371766, 16743532, 20929415, 41858830, 83717660]

約数ペア:

[(1, 83717660), (2, 41858830), (4, 20929415), (5, 16743532), (10, 8371766), (13, 6439820), (20, 4185883), (26, 3219910), (52, 1609955), (65, 1287964), (130, 643982), (260, 321991)]