1388791879

素因数分解:

${\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2131}}^1$

素因数の和:2406

約数の個数: 16

約数和(自身を含む): 1440481536

約数和(自身を除く): 51689657

約数列:

[1, 67, 71, 137, 2131, 4757, 9179, 9727, 142777, 151301, 291947, 651709, 10137167, 19560449, 20728237, 1388791879]

約数ペア:

[(1, 1388791879), (67, 20728237), (71, 19560449), (137, 10137167), (2131, 651709), (4757, 291947), (9179, 151301), (9727, 142777)]