26993519

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 32248320

約数和(自身を除く): 5254801

約数列:

[1, 7, 29, 103, 203, 721, 1291, 2987, 9037, 20909, 37439, 132973, 262073, 930811, 3856217, 26993519]

約数ペア:

[(1, 26993519), (7, 3856217), (29, 930811), (103, 262073), (203, 132973), (721, 37439), (1291, 20909), (2987, 9037)]