311917319

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{75653}}^1$

素因数の和:75710

約数の個数: 16

約数和(自身を含む): 387348480

約数和(自身を除く): 75431161

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 75653, 529571, 1437407, 2345243, 10061849, 16416701, 44559617, 311917319]

約数ペア:

[(1, 311917319), (7, 44559617), (19, 16416701), (31, 10061849), (133, 2345243), (217, 1437407), (589, 529571), (4123, 75653)]