391216868

素因数分解:

$2^2\times 7^1\times {\mathrm{13972031}}^1$

素因数の和:13972042

約数の個数: 12

約数和(自身を含む): 782433792

約数和(自身を除く): 391216924

約数列:

[1, 2, 4, 7, 14, 28, 13972031, 27944062, 55888124, 97804217, 195608434, 391216868]

約数ペア:

[(1, 391216868), (2, 195608434), (4, 97804217), (7, 55888124), (14, 27944062), (28, 13972031)]