51920407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 71147520

約数和(自身を除く): 19227113

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 1463, 1543, 1771, 3059, 4807, 10801, 16973, 29317, 33649, 35489, 118811, 205219, 248423, 322487, 390379, 674291, 2257409, 2732653, 4720037, 7417201, 51920407]

約数ペア:

[(1, 51920407), (7, 7417201), (11, 4720037), (19, 2732653), (23, 2257409), (77, 674291), (133, 390379), (161, 322487), (209, 248423), (253, 205219), (437, 118811), (1463, 35489), (1543, 33649), (1771, 29317), (3059, 16973), (4807, 10801)]