51991163

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1181}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 62787840

約数和(自身を除く): 10796677

約数列:

[1, 7, 19, 133, 331, 1181, 2317, 6289, 8267, 22439, 44023, 157073, 390911, 2736377, 7427309, 51991163]

約数ペア:

[(1, 51991163), (7, 7427309), (19, 2736377), (133, 390911), (331, 157073), (1181, 44023), (2317, 22439), (6289, 8267)]