128418038

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{213319}}^1$

素因数の和:213371

約数の個数: 16

約数和(自身を含む): 225265920

約数和(自身を除く): 96847882

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 213319, 426638, 1493233, 2986466, 9172717, 18345434, 64209019, 128418038]

約数ペア:

[(1, 128418038), (2, 64209019), (7, 18345434), (14, 9172717), (43, 2986466), (86, 1493233), (301, 426638), (602, 213319)]