38721487

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2671}}^1$

素因数の和:2806

約数の個数: 16

約数和(自身を含む): 47027200

約数和(自身を除く): 8305713

約数列:

[1, 7, 19, 109, 133, 763, 2071, 2671, 14497, 18697, 50749, 291139, 355243, 2037973, 5531641, 38721487]

約数ペア:

[(1, 38721487), (7, 5531641), (19, 2037973), (109, 355243), (133, 291139), (763, 50749), (2071, 18697), (2671, 14497)]