31117398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{398941}}^1$

素因数の和:398959

約数の個数: 16

約数和(自身を含む): 67022256

約数和(自身を除く): 35904858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 398941, 797882, 1196823, 2393646, 5186233, 10372466, 15558699, 31117398]

約数ペア:

[(1, 31117398), (2, 15558699), (3, 10372466), (6, 5186233), (13, 2393646), (26, 1196823), (39, 797882), (78, 398941)]