2078552155

素因数分解:

$5^1\times {\mathrm{419}}^1\times {\mathrm{643}}^1\times {\mathrm{1543}}^1$

素因数の和:2610

約数の個数: 16

約数和(自身を含む): 2505726720

約数和(自身を除く): 427174565

約数列:

[1, 5, 419, 643, 1543, 2095, 3215, 7715, 269417, 646517, 992149, 1347085, 3232585, 4960745, 415710431, 2078552155]

約数ペア:

[(1, 2078552155), (5, 415710431), (419, 4960745), (643, 3232585), (1543, 1347085), (2095, 992149), (3215, 646517), (7715, 269417)]