128355890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{987353}}^1$

素因数の和:987373

約数の個数: 16

約数和(自身を含む): 248813208

約数和(自身を除く): 120457318

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 987353, 1974706, 4936765, 9873530, 12835589, 25671178, 64177945, 128355890]

約数ペア:

[(1, 128355890), (2, 64177945), (5, 25671178), (10, 12835589), (13, 9873530), (26, 4936765), (65, 1974706), (130, 987353)]