28443168

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 89159616

約数和(自身を除く): 60716448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 71, 72, 78, 96, 104, 107, 117, 142, 144, 156, 208, 213, 214, 234, 284, 288, 312, 321, 416, 426, 428, 468, 568, 624, 639, 642, 852, 856, 923, 936, 963, 1136, 1248, 1278, 1284, 1391, 1704, 1712, 1846, 1872, 1926, 2272, 2556, 2568, 2769, 2782, 3408, 3424, 3692, 3744, 3852, 4173, 5112, 5136, 5538, 5564, 6816, 7384, 7597, 7704, 8307, 8346, 10224, 10272, 11076, 11128, 12519, 14768, 15194, 15408, 16614, 16692, 20448, 22152, 22256, 22791, 25038, 29536, 30388, 30816, 33228, 33384, 44304, 44512, 45582, 50076, 60776, 66456, 66768, 68373, 88608, 91164, 98761, 100152, 121552, 132912, 133536, 136746, 182328, 197522, 200304, 243104, 265824, 273492, 296283, 364656, 395044, 400608, 546984, 592566, 729312, 790088, 888849, 1093968, 1185132, 1580176, 1777698, 2187936, 2370264, 3160352, 3555396, 4740528, 7110792, 9481056, 14221584, 28443168]

約数ペア:

[(1, 28443168), (2, 14221584), (3, 9481056), (4, 7110792), (6, 4740528), (8, 3555396), (9, 3160352), (12, 2370264), (13, 2187936), (16, 1777698), (18, 1580176), (24, 1185132), (26, 1093968), (32, 888849), (36, 790088), (39, 729312), (48, 592566), (52, 546984), (71, 400608), (72, 395044), (78, 364656), (96, 296283), (104, 273492), (107, 265824), (117, 243104), (142, 200304), (144, 197522), (156, 182328), (208, 136746), (213, 133536), (214, 132912), (234, 121552), (284, 100152), (288, 98761), (312, 91164), (321, 88608), (416, 68373), (426, 66768), (428, 66456), (468, 60776), (568, 50076), (624, 45582), (639, 44512), (642, 44304), (852, 33384), (856, 33228), (923, 30816), (936, 30388), (963, 29536), (1136, 25038), (1248, 22791), (1278, 22256), (1284, 22152), (1391, 20448), (1704, 16692), (1712, 16614), (1846, 15408), (1872, 15194), (1926, 14768), (2272, 12519), (2556, 11128), (2568, 11076), (2769, 10272), (2782, 10224), (3408, 8346), (3424, 8307), (3692, 7704), (3744, 7597), (3852, 7384), (4173, 6816), (5112, 5564), (5136, 5538)]