639211090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9131587}}^1$

素因数の和:9131601

約数の個数: 16

約数和(自身を含む): 1314948672

約数和(自身を除く): 675737582

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9131587, 18263174, 45657935, 63921109, 91315870, 127842218, 319605545, 639211090]

約数ペア:

[(1, 639211090), (2, 319605545), (5, 127842218), (7, 91315870), (10, 63921109), (14, 45657935), (35, 18263174), (70, 9131587)]