1397284

素因数分解:

$2^2\times 7^2\times {\mathrm{7129}}^1$

素因数の和:7147

約数の個数: 18

約数和(自身を含む): 2844870

約数和(自身を除く): 1447586

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 7129, 14258, 28516, 49903, 99806, 199612, 349321, 698642, 1397284]

約数ペア:

[(1, 1397284), (2, 698642), (4, 349321), (7, 199612), (14, 99806), (28, 49903), (49, 28516), (98, 14258), (196, 7129)]