780907391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2803}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 947527680

約数和(自身を除く): 166620289

約数列:

[1, 11, 19, 31, 43, 209, 341, 473, 589, 817, 1333, 2803, 6479, 8987, 14663, 25327, 30833, 53257, 86893, 120529, 278597, 585827, 955823, 1325819, 1650967, 2290051, 3736399, 18160637, 25190561, 41100389, 70991581, 780907391]

約数ペア:

[(1, 780907391), (11, 70991581), (19, 41100389), (31, 25190561), (43, 18160637), (209, 3736399), (341, 2290051), (473, 1650967), (589, 1325819), (817, 955823), (1333, 585827), (2803, 278597), (6479, 120529), (8987, 86893), (14663, 53257), (25327, 30833)]