138839890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1983427}}^1$

素因数の和:1983441

約数の個数: 16

約数和(自身を含む): 285613632

約数和(自身を除く): 146773742

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1983427, 3966854, 9917135, 13883989, 19834270, 27767978, 69419945, 138839890]

約数ペア:

[(1, 138839890), (2, 69419945), (5, 27767978), (7, 19834270), (10, 13883989), (14, 9917135), (35, 3966854), (70, 1983427)]