142628905

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 172972800

約数和(自身を除く): 30343895

約数列:

[1, 5, 181, 359, 439, 905, 1795, 2195, 64979, 79459, 157601, 324895, 397295, 788005, 28525781, 142628905]

約数ペア:

[(1, 142628905), (5, 28525781), (181, 788005), (359, 397295), (439, 324895), (905, 157601), (1795, 79459), (2195, 64979)]