3988943

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:782

約数の個数: 12

約数和(自身を含む): 4684032

約数和(自身を除く): 695089

約数列:

[1, 7, 49, 127, 641, 889, 4487, 6223, 31409, 81407, 569849, 3988943]

約数ペア:

[(1, 3988943), (7, 569849), (49, 81407), (127, 31409), (641, 6223), (889, 4487)]