31885386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{408787}}^1$

素因数の和:408805

約数の個数: 16

約数和(自身を含む): 68676384

約数和(自身を除く): 36790998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 408787, 817574, 1226361, 2452722, 5314231, 10628462, 15942693, 31885386]

約数ペア:

[(1, 31885386), (2, 15942693), (3, 10628462), (6, 5314231), (13, 2452722), (26, 1226361), (39, 817574), (78, 408787)]