31971212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87833}}^1$

素因数の和:87857

約数の個数: 24

約数和(自身を含む): 68861856

約数和(自身を除く): 36890644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 87833, 175666, 351332, 614831, 1141829, 1229662, 2283658, 2459324, 4567316, 7992803, 15985606, 31971212]

約数ペア:

[(1, 31971212), (2, 15985606), (4, 7992803), (7, 4567316), (13, 2459324), (14, 2283658), (26, 1229662), (28, 1141829), (52, 614831), (91, 351332), (182, 175666), (364, 87833)]