80857868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{222137}}^1$

素因数の和:222161

約数の個数: 24

約数和(自身を含む): 174156192

約数和(自身を除く): 93298324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 222137, 444274, 888548, 1554959, 2887781, 3109918, 5775562, 6219836, 11551124, 20214467, 40428934, 80857868]

約数ペア:

[(1, 80857868), (2, 40428934), (4, 20214467), (7, 11551124), (13, 6219836), (14, 5775562), (26, 3109918), (28, 2887781), (52, 1554959), (91, 888548), (182, 444274), (364, 222137)]