31388682

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{402419}}^1$

素因数の和:402437

約数の個数: 16

約数和(自身を含む): 67606560

約数和(自身を除く): 36217878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 402419, 804838, 1207257, 2414514, 5231447, 10462894, 15694341, 31388682]

約数ペア:

[(1, 31388682), (2, 15694341), (3, 10462894), (6, 5231447), (13, 2414514), (26, 1207257), (39, 804838), (78, 402419)]