86871316

素因数分解:

$2^2\times 7^2\times {\mathrm{443221}}^1$

素因数の和:443239

約数の個数: 18

約数和(自身を含む): 176845578

約数和(自身を除く): 89974262

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 443221, 886442, 1772884, 3102547, 6205094, 12410188, 21717829, 43435658, 86871316]

約数ペア:

[(1, 86871316), (2, 43435658), (4, 21717829), (7, 12410188), (14, 6205094), (28, 3102547), (49, 1772884), (98, 886442), (196, 443221)]