199395968

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{1621}}^1$

素因数の和:1697

約数の個数: 48

約数和(自身を含む): 410714730

約数和(自身を除く): 211318762

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 961, 992, 1621, 1922, 1984, 3242, 3844, 3968, 6484, 7688, 12968, 15376, 25936, 30752, 50251, 51872, 61504, 100502, 103744, 123008, 201004, 207488, 402008, 804016, 1557781, 1608032, 3115562, 3216064, 6231124, 6432128, 12462248, 24924496, 49848992, 99697984, 199395968]

約数ペア:

[(1, 199395968), (2, 99697984), (4, 49848992), (8, 24924496), (16, 12462248), (31, 6432128), (32, 6231124), (62, 3216064), (64, 3115562), (124, 1608032), (128, 1557781), (248, 804016), (496, 402008), (961, 207488), (992, 201004), (1621, 123008), (1922, 103744), (1984, 100502), (3242, 61504), (3844, 51872), (3968, 50251), (6484, 30752), (7688, 25936), (12968, 15376)]