205780336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{676909}}^1$

素因数の和:676936

約数の個数: 20

約数和(自身を含む): 419684200

約数和(自身を除く): 213903864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 676909, 1353818, 2707636, 5415272, 10830544, 12861271, 25722542, 51445084, 102890168, 205780336]

約数ペア:

[(1, 205780336), (2, 102890168), (4, 51445084), (8, 25722542), (16, 12861271), (19, 10830544), (38, 5415272), (76, 2707636), (152, 1353818), (304, 676909)]