1390223786

素因数分解:

$2^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{53939}}^1$

素因数の和:54218

約数の個数: 24

約数和(自身を含む): 2435067360

約数和(自身を除く): 1044843574

約数列:

[1, 2, 7, 14, 49, 98, 263, 526, 1841, 3682, 12887, 25774, 53939, 107878, 377573, 755146, 2643011, 5286022, 14185957, 28371914, 99301699, 198603398, 695111893, 1390223786]

約数ペア:

[(1, 1390223786), (2, 695111893), (7, 198603398), (14, 99301699), (49, 28371914), (98, 14185957), (263, 5286022), (526, 2643011), (1841, 755146), (3682, 377573), (12887, 107878), (25774, 53939)]