1389777776

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{860011}}^1$

素因数の和:860120

約数の個数: 20

約数和(自身を含む): 2719357944

約数和(自身を除く): 1329580168

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 860011, 1720022, 3440044, 6880088, 13760176, 86861111, 173722222, 347444444, 694888888, 1389777776]

約数ペア:

[(1, 1389777776), (2, 694888888), (4, 347444444), (8, 173722222), (16, 86861111), (101, 13760176), (202, 6880088), (404, 3440044), (808, 1720022), (1616, 860011)]