1991384382

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25530569}}^1$

素因数の和:25530587

約数の個数: 16

約数和(自身を含む): 4289135760

約数和(自身を除く): 2297751378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 25530569, 51061138, 76591707, 153183414, 331897397, 663794794, 995692191, 1991384382]

約数ペア:

[(1, 1991384382), (2, 995692191), (3, 663794794), (6, 331897397), (13, 153183414), (26, 76591707), (39, 51061138), (78, 25530569)]