180945884

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{208463}}^1$

素因数の和:208505

約数の個数: 24

約数和(自身を含む): 373567488

約数和(自身を除く): 192621604

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 208463, 416926, 833852, 1459241, 2918482, 5836964, 6462353, 12924706, 25849412, 45236471, 90472942, 180945884]

約数ペア:

[(1, 180945884), (2, 90472942), (4, 45236471), (7, 25849412), (14, 12924706), (28, 6462353), (31, 5836964), (62, 2918482), (124, 1459241), (217, 833852), (434, 416926), (868, 208463)]