2257409

素因数分解:

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

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 2964480

約数和(自身を除く): 707071

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 1543, 10801, 16973, 29317, 118811, 205219, 322487, 2257409]

約数ペア:

[(1, 2257409), (7, 322487), (11, 205219), (19, 118811), (77, 29317), (133, 16973), (209, 10801), (1463, 1543)]