278320574

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{47221}}^1$

素因数の和:47651

約数の個数: 16

約数和(自身を含む): 478264416

約数和(自身を除く): 199943842

約数列:

[1, 2, 7, 14, 421, 842, 2947, 5894, 47221, 94442, 330547, 661094, 19880041, 39760082, 139160287, 278320574]

約数ペア:

[(1, 278320574), (2, 139160287), (7, 39760082), (14, 19880041), (421, 661094), (842, 330547), (2947, 94442), (5894, 47221)]