26978210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{385403}}^1$

素因数の和:385417

約数の個数: 16

約数和(自身を含む): 55498176

約数和(自身を除く): 28519966

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 385403, 770806, 1927015, 2697821, 3854030, 5395642, 13489105, 26978210]

約数ペア:

[(1, 26978210), (2, 13489105), (5, 5395642), (7, 3854030), (10, 2697821), (14, 1927015), (35, 770806), (70, 385403)]