644192896

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{5237}}^1$

素因数の和:5313

約数の個数: 48

約数和(自身を含む): 1326340170

約数和(自身を除く): 682147274

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 961, 992, 1922, 1984, 3844, 3968, 5237, 7688, 10474, 15376, 20948, 30752, 41896, 61504, 83792, 123008, 162347, 167584, 324694, 335168, 649388, 670336, 1298776, 2597552, 5032757, 5195104, 10065514, 10390208, 20131028, 20780416, 40262056, 80524112, 161048224, 322096448, 644192896]

約数ペア:

[(1, 644192896), (2, 322096448), (4, 161048224), (8, 80524112), (16, 40262056), (31, 20780416), (32, 20131028), (62, 10390208), (64, 10065514), (124, 5195104), (128, 5032757), (248, 2597552), (496, 1298776), (961, 670336), (992, 649388), (1922, 335168), (1984, 324694), (3844, 167584), (3968, 162347), (5237, 123008), (7688, 83792), (10474, 61504), (15376, 41896), (20948, 30752)]