258444319

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3055

約数の個数: 24

約数和(自身を含む): 321166208

約数和(自身を除く): 62721889

約数列:

[1, 7, 17, 43, 119, 289, 301, 731, 2023, 2971, 5117, 12427, 20797, 50507, 86989, 127753, 353549, 858619, 894271, 2171801, 6010333, 15202607, 36920617, 258444319]

約数ペア:

[(1, 258444319), (7, 36920617), (17, 15202607), (43, 6010333), (119, 2171801), (289, 894271), (301, 858619), (731, 353549), (2023, 127753), (2971, 86989), (5117, 50507), (12427, 20797)]