40078738

素因数分解:

$2^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{7211}}^1$

素因数の和:7617

約数の個数: 16

約数和(自身を含む): 68889024

約数和(自身を除く): 28810286

約数列:

[1, 2, 7, 14, 397, 794, 2779, 5558, 7211, 14422, 50477, 100954, 2862767, 5725534, 20039369, 40078738]

約数ペア:

[(1, 40078738), (2, 20039369), (7, 5725534), (14, 2862767), (397, 100954), (794, 50477), (2779, 14422), (5558, 7211)]