80221036

素因数分解:

$2^2\times 7^2\times {\mathrm{409291}}^1$

素因数の和:409309

約数の個数: 18

約数和(自身を含む): 163307508

約数和(自身を除く): 83086472

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 409291, 818582, 1637164, 2865037, 5730074, 11460148, 20055259, 40110518, 80221036]

約数ペア:

[(1, 80221036), (2, 40110518), (4, 20055259), (7, 11460148), (14, 5730074), (28, 2865037), (49, 1637164), (98, 818582), (196, 409291)]