55216945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 81607680

約数和(自身を除く): 26390735

約数列:

[1, 5, 7, 19, 35, 43, 95, 133, 215, 301, 665, 817, 1505, 1931, 4085, 5719, 9655, 13517, 28595, 36689, 67585, 83033, 183445, 256823, 415165, 581231, 1284115, 1577627, 2906155, 7888135, 11043389, 55216945]

約数ペア:

[(1, 55216945), (5, 11043389), (7, 7888135), (19, 2906155), (35, 1577627), (43, 1284115), (95, 581231), (133, 415165), (215, 256823), (301, 183445), (665, 83033), (817, 67585), (1505, 36689), (1931, 28595), (4085, 13517), (5719, 9655)]