980731771490

素因数分解:

$2^1\times 5^1\times {\mathrm{19661}}^1\times {\mathrm{4988209}}^1$

素因数の和:5007877

約数の個数: 16

約数和(自身を含む): 1765407330360

約数和(自身を除く): 784675558870

約数列:

[1, 2, 5, 10, 19661, 39322, 98305, 196610, 4988209, 9976418, 24941045, 49882090, 98073177149, 196146354298, 490365885745, 980731771490]

約数ペア:

[(1, 980731771490), (2, 490365885745), (5, 196146354298), (10, 98073177149), (19661, 49882090), (39322, 24941045), (98305, 9976418), (196610, 4988209)]