809039

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 1094400

約数和(自身を除く): 285361

約数列:

[1, 7, 11, 19, 49, 77, 79, 133, 209, 539, 553, 869, 931, 1463, 1501, 3871, 6083, 10241, 10507, 16511, 42581, 73549, 115577, 809039]

約数ペア:

[(1, 809039), (7, 115577), (11, 73549), (19, 42581), (49, 16511), (77, 10507), (79, 10241), (133, 6083), (209, 3871), (539, 1501), (553, 1463), (869, 931)]