1639859906

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1\times {\mathrm{10399}}^1$

素因数の和:12569

約数の個数: 16

約数和(自身を含む): 2527699200

約数和(自身を除く): 887839294

約数列:

[1, 2, 37, 74, 2131, 4262, 10399, 20798, 78847, 157694, 384763, 769526, 22160269, 44320538, 819929953, 1639859906]

約数ペア:

[(1, 1639859906), (2, 819929953), (37, 44320538), (74, 22160269), (2131, 769526), (4262, 384763), (10399, 157694), (20798, 78847)]