1981756

素因数分解:

$2^2\times 7^2\times {\mathrm{10111}}^1$

素因数の和:10129

約数の個数: 18

約数和(自身を含む): 4034688

約数和(自身を除く): 2052932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 10111, 20222, 40444, 70777, 141554, 283108, 495439, 990878, 1981756]

約数ペア:

[(1, 1981756), (2, 990878), (4, 495439), (7, 283108), (14, 141554), (28, 70777), (49, 40444), (98, 20222), (196, 10111)]