28777008

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 80994816

約数和(自身を除く): 52217808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 107, 156, 208, 214, 312, 321, 428, 431, 624, 642, 856, 862, 1284, 1293, 1391, 1712, 1724, 2568, 2586, 2782, 3448, 4173, 5136, 5172, 5564, 5603, 6896, 8346, 10344, 11128, 11206, 16692, 16809, 20688, 22256, 22412, 33384, 33618, 44824, 46117, 66768, 67236, 89648, 92234, 134472, 138351, 184468, 268944, 276702, 368936, 553404, 599521, 737872, 1106808, 1199042, 1798563, 2213616, 2398084, 3597126, 4796168, 7194252, 9592336, 14388504, 28777008]

約数ペア:

[(1, 28777008), (2, 14388504), (3, 9592336), (4, 7194252), (6, 4796168), (8, 3597126), (12, 2398084), (13, 2213616), (16, 1798563), (24, 1199042), (26, 1106808), (39, 737872), (48, 599521), (52, 553404), (78, 368936), (104, 276702), (107, 268944), (156, 184468), (208, 138351), (214, 134472), (312, 92234), (321, 89648), (428, 67236), (431, 66768), (624, 46117), (642, 44824), (856, 33618), (862, 33384), (1284, 22412), (1293, 22256), (1391, 20688), (1712, 16809), (1724, 16692), (2568, 11206), (2586, 11128), (2782, 10344), (3448, 8346), (4173, 6896), (5136, 5603), (5172, 5564)]