78926883

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 124498944

約数和(自身を除く): 45572061

約数列:

[1, 3, 7, 21, 37, 111, 157, 259, 471, 647, 777, 1099, 1941, 3297, 4529, 5809, 13587, 17427, 23939, 40663, 71817, 101579, 121989, 167573, 304737, 502719, 711053, 2133159, 3758423, 11275269, 26308961, 78926883]

約数ペア:

[(1, 78926883), (3, 26308961), (7, 11275269), (21, 3758423), (37, 2133159), (111, 711053), (157, 502719), (259, 304737), (471, 167573), (647, 121989), (777, 101579), (1099, 71817), (1941, 40663), (3297, 23939), (4529, 17427), (5809, 13587)]