2639904

素因数分解:

$2^5\times 3^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 7021728

約数和(自身を除く): 4381824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 107, 214, 257, 321, 428, 514, 642, 771, 856, 1028, 1284, 1542, 1712, 2056, 2568, 3084, 3424, 4112, 5136, 6168, 8224, 10272, 12336, 24672, 27499, 54998, 82497, 109996, 164994, 219992, 329988, 439984, 659976, 879968, 1319952, 2639904]

約数ペア:

[(1, 2639904), (2, 1319952), (3, 879968), (4, 659976), (6, 439984), (8, 329988), (12, 219992), (16, 164994), (24, 109996), (32, 82497), (48, 54998), (96, 27499), (107, 24672), (214, 12336), (257, 10272), (321, 8224), (428, 6168), (514, 5136), (642, 4112), (771, 3424), (856, 3084), (1028, 2568), (1284, 2056), (1542, 1712)]