28977571

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 36566640

約数和(自身を除く): 7589069

約数列:

[1, 7, 17, 43, 49, 119, 301, 731, 809, 833, 2107, 5117, 5663, 13753, 34787, 35819, 39641, 96271, 243509, 591379, 673897, 1704563, 4139653, 28977571]

約数ペア:

[(1, 28977571), (7, 4139653), (17, 1704563), (43, 673897), (49, 591379), (119, 243509), (301, 96271), (731, 39641), (809, 35819), (833, 34787), (2107, 13753), (5117, 5663)]