1978607738

素因数分解:

$2^1\times {\mathrm{4951}}^1\times {\mathrm{199819}}^1$

素因数の和:204772

約数の個数: 8

約数和(自身を含む): 2968525920

約数和(自身を除く): 989918182

約数列:

[1, 2, 4951, 9902, 199819, 399638, 989303869, 1978607738]

約数ペア:

[(1, 1978607738), (2, 989303869), (4951, 399638), (9902, 199819)]