8204119

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 10768896

約数和(自身を除く): 2564777

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 491, 539, 1519, 2387, 3437, 5401, 15221, 16709, 24059, 37807, 106547, 167431, 264649, 745829, 1172017, 8204119]

約数ペア:

[(1, 8204119), (7, 1172017), (11, 745829), (31, 264649), (49, 167431), (77, 106547), (217, 37807), (341, 24059), (491, 16709), (539, 15221), (1519, 5401), (2387, 3437)]