820492904

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1331969}}^1$

素因数の和:1331993

約数の個数: 32

約数和(自身を含む): 1918036800

約数和(自身を除く): 1097543896

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 1331969, 2663938, 5327876, 9323783, 10655752, 14651659, 18647566, 29303318, 37295132, 58606636, 74590264, 102561613, 117213272, 205123226, 410246452, 820492904]

約数ペア:

[(1, 820492904), (2, 410246452), (4, 205123226), (7, 117213272), (8, 102561613), (11, 74590264), (14, 58606636), (22, 37295132), (28, 29303318), (44, 18647566), (56, 14651659), (77, 10655752), (88, 9323783), (154, 5327876), (308, 2663938), (616, 1331969)]