191889145

素因数分解:

$5^1\times 7^2\times {\mathrm{883}}^1\times {\mathrm{887}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 268467264

約数和(自身を除く): 76578119

約数列:

[1, 5, 7, 35, 49, 245, 883, 887, 4415, 4435, 6181, 6209, 30905, 31045, 43267, 43463, 216335, 217315, 783221, 3916105, 5482547, 27412735, 38377829, 191889145]

約数ペア:

[(1, 191889145), (5, 38377829), (7, 27412735), (35, 5482547), (49, 3916105), (245, 783221), (883, 217315), (887, 216335), (4415, 43463), (4435, 43267), (6181, 31045), (6209, 30905)]