128868726

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{438329}}^1$

素因数の和:438348

約数の個数: 24

約数和(自身を含む): 299817720

約数和(自身を除く): 170948994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 438329, 876658, 1314987, 2629974, 3068303, 6136606, 9204909, 18409818, 21478121, 42956242, 64434363, 128868726]

約数ペア:

[(1, 128868726), (2, 64434363), (3, 42956242), (6, 21478121), (7, 18409818), (14, 9204909), (21, 6136606), (42, 3068303), (49, 2629974), (98, 1314987), (147, 876658), (294, 438329)]