639601016

素因数分解:

$2^3\times {\mathrm{9857}}^1\times {\mathrm{8111}}^1$

素因数の和:17974

約数の個数: 16

約数和(自身を含む): 1199521440

約数和(自身を除く): 559920424

約数列:

[1, 2, 4, 8, 8111, 9857, 16222, 19714, 32444, 39428, 64888, 78856, 79950127, 159900254, 319800508, 639601016]

約数ペア:

[(1, 639601016), (2, 319800508), (4, 159900254), (8, 79950127), (8111, 78856), (9857, 64888), (16222, 39428), (19714, 32444)]