2138395

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 2965248

約数和(自身を除く): 826853

約数列:

[1, 5, 7, 35, 107, 535, 571, 749, 2855, 3745, 3997, 19985, 61097, 305485, 427679, 2138395]

約数ペア:

[(1, 2138395), (5, 427679), (7, 305485), (35, 61097), (107, 19985), (535, 3997), (571, 3745), (749, 2855)]