1906394

素因数分解:

$2^1\times 7^4\times {\mathrm{397}}^1$

素因数の和:427

約数の個数: 20

約数和(自身を含む): 3344394

約数和(自身を除く): 1438000

約数列:

[1, 2, 7, 14, 49, 98, 343, 397, 686, 794, 2401, 2779, 4802, 5558, 19453, 38906, 136171, 272342, 953197, 1906394]

約数ペア:

[(1, 1906394), (2, 953197), (7, 272342), (14, 136171), (49, 38906), (98, 19453), (343, 5558), (397, 4802), (686, 2779), (794, 2401)]