258406799987

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{267791}}^1$

素因数の和:268271

約数の個数: 24

約数和(自身を含む): 307725143040

約数和(自身を除く): 49318343053

約数列:

[1, 7, 47, 49, 329, 419, 2303, 2933, 19693, 20531, 137851, 267791, 964957, 1874537, 12586177, 13121759, 88103239, 112204429, 616722673, 785431003, 5273608163, 5498017021, 36915257141, 258406799987]

約数ペア:

[(1, 258406799987), (7, 36915257141), (47, 5498017021), (49, 5273608163), (329, 785431003), (419, 616722673), (2303, 112204429), (2933, 88103239), (19693, 13121759), (20531, 12586177), (137851, 1874537), (267791, 964957)]