11981963

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 14224896

約数和(自身を除く): 2242933

約数列:

[1, 7, 41, 83, 287, 503, 581, 3403, 3521, 20623, 23821, 41749, 144361, 292243, 1711709, 11981963]

約数ペア:

[(1, 11981963), (7, 1711709), (41, 292243), (83, 144361), (287, 41749), (503, 23821), (581, 20623), (3403, 3521)]