397776128

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{50123}}^1$

素因数の和:50170

約数の個数: 36

約数和(自身を含む): 819627648

約数和(自身を除く): 421851520

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 50123, 100246, 200492, 400984, 801968, 1553813, 1603936, 3107626, 3207872, 6215252, 6415744, 12430504, 12831488, 24861008, 49722016, 99444032, 198888064, 397776128]

約数ペア:

[(1, 397776128), (2, 198888064), (4, 99444032), (8, 49722016), (16, 24861008), (31, 12831488), (32, 12430504), (62, 6415744), (64, 6215252), (124, 3207872), (128, 3107626), (248, 1603936), (256, 1553813), (496, 801968), (992, 400984), (1984, 200492), (3968, 100246), (7936, 50123)]