13881276

素因数分解:

$2^2\times 3^2\times {\mathrm{385591}}^1$

素因数の和:385601

約数の個数: 18

約数和(自身を含む): 35088872

約数和(自身を除く): 21207596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 385591, 771182, 1156773, 1542364, 2313546, 3470319, 4627092, 6940638, 13881276]

約数ペア:

[(1, 13881276), (2, 6940638), (3, 4627092), (4, 3470319), (6, 2313546), (9, 1542364), (12, 1156773), (18, 771182), (36, 385591)]