80220209426

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{27156469}}^1$

素因数の和:27156689

約数の個数: 16

約数和(自身を含む): 138172119360

約数和(自身を除く): 57951909934

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 27156469, 54312938, 190095283, 380190566, 5730014959, 11460029918, 40110104713, 80220209426]

約数ペア:

[(1, 80220209426), (2, 40110104713), (7, 11460029918), (14, 5730014959), (211, 380190566), (422, 190095283), (1477, 54312938), (2954, 27156469)]