668830036

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{223241}}^1$

素因数の和:223359

約数の個数: 24

約数和(自身を含む): 1350167616

約数和(自身を除く): 681337580

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 223241, 446482, 892964, 1562687, 3125374, 6250748, 23886787, 47773574, 95547148, 167207509, 334415018, 668830036]

約数ペア:

[(1, 668830036), (2, 334415018), (4, 167207509), (7, 95547148), (14, 47773574), (28, 23886787), (107, 6250748), (214, 3125374), (428, 1562687), (749, 892964), (1498, 446482), (2996, 223241)]