219020543

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5471}}^1$

素因数の和:5547

約数の個数: 24

約数和(自身を含む): 274475520

約数和(自身を除く): 55454977

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 2107, 5471, 5719, 38297, 40033, 103949, 235253, 268079, 727643, 1646771, 4469807, 5093501, 11527397, 31288649, 219020543]

約数ペア:

[(1, 219020543), (7, 31288649), (19, 11527397), (43, 5093501), (49, 4469807), (133, 1646771), (301, 727643), (817, 268079), (931, 235253), (2107, 103949), (5471, 40033), (5719, 38297)]