253217968

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{2777}}^1$

素因数の和:2965

約数の個数: 40

約数和(自身を含む): 506373840

約数和(自身を除く): 253155872

約数列:

[1, 2, 4, 8, 16, 41, 82, 139, 164, 278, 328, 556, 656, 1112, 2224, 2777, 5554, 5699, 11108, 11398, 22216, 22796, 44432, 45592, 91184, 113857, 227714, 386003, 455428, 772006, 910856, 1544012, 1821712, 3088024, 6176048, 15826123, 31652246, 63304492, 126608984, 253217968]

約数ペア:

[(1, 253217968), (2, 126608984), (4, 63304492), (8, 31652246), (16, 15826123), (41, 6176048), (82, 3088024), (139, 1821712), (164, 1544012), (278, 910856), (328, 772006), (556, 455428), (656, 386003), (1112, 227714), (2224, 113857), (2777, 91184), (5554, 45592), (5699, 44432), (11108, 22796), (11398, 22216)]