426820009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{291743}}^1$

素因数の和:291780

約数の個数: 16

約数和(自身を含む): 560148480

約数和(自身を除く): 133328471

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 291743, 2042201, 3209173, 5543117, 22464211, 38801819, 60974287, 426820009]

約数ペア:

[(1, 426820009), (7, 60974287), (11, 38801819), (19, 22464211), (77, 5543117), (133, 3209173), (209, 2042201), (1463, 291743)]