28430213

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1181}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 34419840

約数和(自身を除く): 5989627

約数列:

[1, 7, 19, 133, 181, 1181, 1267, 3439, 8267, 22439, 24073, 157073, 213761, 1496327, 4061459, 28430213]

約数ペア:

[(1, 28430213), (7, 4061459), (19, 1496327), (133, 213761), (181, 157073), (1181, 24073), (1267, 22439), (3439, 8267)]