77222116

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{20089}}^1$

素因数の和:20155

約数の個数: 18

約数和(自身を含む): 139645590

約数和(自身を除く): 62423474

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 20089, 40178, 80356, 622759, 1245518, 2491036, 19305529, 38611058, 77222116]

約数ペア:

[(1, 77222116), (2, 38611058), (4, 19305529), (31, 2491036), (62, 1245518), (124, 622759), (961, 80356), (1922, 40178), (3844, 20089)]