1378778888

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{30391}}^1$

素因数の和:30557

約数の個数: 32

約数和(自身を含む): 2658692160

約数和(自身を除く): 1279913272

約数列:

[1, 2, 4, 8, 53, 106, 107, 212, 214, 424, 428, 856, 5671, 11342, 22684, 30391, 45368, 60782, 121564, 243128, 1610723, 3221446, 3251837, 6442892, 6503674, 12885784, 13007348, 26014696, 172347361, 344694722, 689389444, 1378778888]

約数ペア:

[(1, 1378778888), (2, 689389444), (4, 344694722), (8, 172347361), (53, 26014696), (106, 13007348), (107, 12885784), (212, 6503674), (214, 6442892), (424, 3251837), (428, 3221446), (856, 1610723), (5671, 243128), (11342, 121564), (22684, 60782), (30391, 45368)]