81140344

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{15823}}^1$

素因数の和:16470

約数の個数: 16

約数和(自身を含む): 152385120

約数和(自身を除く): 71244776

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 15823, 31646, 63292, 126584, 10142543, 20285086, 40570172, 81140344]

約数ペア:

[(1, 81140344), (2, 40570172), (4, 20285086), (8, 10142543), (641, 126584), (1282, 63292), (2564, 31646), (5128, 15823)]