31156242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{399439}}^1$

素因数の和:399457

約数の個数: 16

約数和(自身を含む): 67105920

約数和(自身を除く): 35949678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 399439, 798878, 1198317, 2396634, 5192707, 10385414, 15578121, 31156242]

約数ペア:

[(1, 31156242), (2, 15578121), (3, 10385414), (6, 5192707), (13, 2396634), (26, 1198317), (39, 798878), (78, 399439)]