261979216

素因数分解:

$2^4\times {\mathrm{1471}}^1\times {\mathrm{11131}}^1$

素因数の和:12610

約数の個数: 20

約数和(自身を含む): 507975424

約数和(自身を除く): 245996208

約数列:

[1, 2, 4, 8, 16, 1471, 2942, 5884, 11131, 11768, 22262, 23536, 44524, 89048, 178096, 16373701, 32747402, 65494804, 130989608, 261979216]

約数ペア:

[(1, 261979216), (2, 130989608), (4, 65494804), (8, 32747402), (16, 16373701), (1471, 178096), (2942, 89048), (5884, 44524), (11131, 23536), (11768, 22262)]