1312181857

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{318259}}^1$

素因数の和:318316

約数の個数: 16

約数和(自身を含む): 1629491200

約数和(自身を除く): 317309343

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 318259, 2227813, 6046921, 9866029, 42328447, 69062203, 187454551, 1312181857]

約数ペア:

[(1, 1312181857), (7, 187454551), (19, 69062203), (31, 42328447), (133, 9866029), (217, 6046921), (589, 2227813), (4123, 318259)]