850003

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 1149120

約数和(自身を除く): 299117

約数列:

[1, 7, 11, 19, 49, 77, 83, 133, 209, 539, 581, 913, 931, 1463, 1577, 4067, 6391, 10241, 11039, 17347, 44737, 77273, 121429, 850003]

約数ペア:

[(1, 850003), (7, 121429), (11, 77273), (19, 44737), (49, 17347), (77, 11039), (83, 10241), (133, 6391), (209, 4067), (539, 1577), (581, 1463), (913, 931)]