80668889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{26371}}^1$

素因数の和:26420

約数の個数: 16

約数和(自身を含む): 101268480

約数和(自身を除く): 20599591

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 26371, 184597, 501049, 606533, 3507343, 4245731, 11524127, 80668889]

約数ペア:

[(1, 80668889), (7, 11524127), (19, 4245731), (23, 3507343), (133, 606533), (161, 501049), (437, 184597), (3059, 26371)]