156980212978

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{81675449}}^1$

素因数の和:81675513

約数の個数: 12

約数和(自身を含む): 243311165550

約数和(自身を除く): 86330952572

約数列:

[1, 2, 31, 62, 961, 1922, 81675449, 163350898, 2531938919, 5063877838, 78490106489, 156980212978]

約数ペア:

[(1, 156980212978), (2, 78490106489), (31, 5063877838), (62, 2531938919), (961, 163350898), (1922, 81675449)]