31155774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{399433}}^1$

素因数の和:399451

約数の個数: 16

約数和(自身を含む): 67104912

約数和(自身を除く): 35949138

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 399433, 798866, 1198299, 2396598, 5192629, 10385258, 15577887, 31155774]

約数ペア:

[(1, 31155774), (2, 15577887), (3, 10385258), (6, 5192629), (13, 2396598), (26, 1198299), (39, 798866), (78, 399433)]