31709993

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7691}}^1$

素因数の和:7748

約数の個数: 16

約数和(自身を含む): 39383040

約数和(自身を除く): 7673047

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 7691, 53837, 146129, 238421, 1022903, 1668947, 4529999, 31709993]

約数ペア:

[(1, 31709993), (7, 4529999), (19, 1668947), (31, 1022903), (133, 238421), (217, 146129), (589, 53837), (4123, 7691)]