51538370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{396449}}^1$

素因数の和:396469

約数の個数: 16

約数和(自身を含む): 99905400

約数和(自身を除く): 48367030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 396449, 792898, 1982245, 3964490, 5153837, 10307674, 25769185, 51538370]

約数ペア:

[(1, 51538370), (2, 25769185), (5, 10307674), (10, 5153837), (13, 3964490), (26, 1982245), (65, 792898), (130, 396449)]