254452009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{3121}}^1$

素因数の和:3760

約数の個数: 16

約数和(自身を含む): 306705280

約数和(自身を除く): 52253271

約数列:

[1, 7, 19, 133, 613, 3121, 4291, 11647, 21847, 59299, 81529, 415093, 1913173, 13392211, 36350287, 254452009]

約数ペア:

[(1, 254452009), (7, 36350287), (19, 13392211), (133, 1913173), (613, 415093), (3121, 81529), (4291, 59299), (11647, 21847)]