51981055

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78167}}^1$

素因数の和:78198

約数の個数: 16

約数和(自身を含む): 75041280

約数和(自身を除く): 23060225

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 78167, 390835, 547169, 1485173, 2735845, 7425865, 10396211, 51981055]

約数ペア:

[(1, 51981055), (5, 10396211), (7, 7425865), (19, 2735845), (35, 1485173), (95, 547169), (133, 390835), (665, 78167)]