1990705703

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{1310537}}^1$

素因数の和:1310582

約数の個数: 12

約数和(自身を含む): 2390421312

約数和(自身を除く): 399715609

約数列:

[1, 7, 31, 49, 217, 1519, 1310537, 9173759, 40626647, 64216313, 284386529, 1990705703]

約数ペア:

[(1, 1990705703), (7, 284386529), (31, 64216313), (49, 40626647), (217, 9173759), (1519, 1310537)]