28440888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 86507520

約数和(自身を除く): 58066632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 43, 56, 62, 84, 86, 93, 124, 127, 129, 168, 172, 186, 217, 248, 254, 258, 301, 344, 372, 381, 434, 508, 516, 602, 651, 744, 762, 868, 889, 903, 1016, 1032, 1204, 1302, 1333, 1524, 1736, 1778, 1806, 2408, 2604, 2666, 2667, 3048, 3556, 3612, 3937, 3999, 5208, 5332, 5334, 5461, 7112, 7224, 7874, 7998, 9331, 10664, 10668, 10922, 11811, 15748, 15996, 16383, 18662, 21336, 21844, 23622, 27559, 27993, 31496, 31992, 32766, 37324, 38227, 43688, 47244, 55118, 55986, 65532, 74648, 76454, 82677, 94488, 110236, 111972, 114681, 131064, 152908, 165354, 169291, 220472, 223944, 229362, 305816, 330708, 338582, 458724, 507873, 661416, 677164, 917448, 1015746, 1185037, 1354328, 2031492, 2370074, 3555111, 4062984, 4740148, 7110222, 9480296, 14220444, 28440888]

約数ペア:

[(1, 28440888), (2, 14220444), (3, 9480296), (4, 7110222), (6, 4740148), (7, 4062984), (8, 3555111), (12, 2370074), (14, 2031492), (21, 1354328), (24, 1185037), (28, 1015746), (31, 917448), (42, 677164), (43, 661416), (56, 507873), (62, 458724), (84, 338582), (86, 330708), (93, 305816), (124, 229362), (127, 223944), (129, 220472), (168, 169291), (172, 165354), (186, 152908), (217, 131064), (248, 114681), (254, 111972), (258, 110236), (301, 94488), (344, 82677), (372, 76454), (381, 74648), (434, 65532), (508, 55986), (516, 55118), (602, 47244), (651, 43688), (744, 38227), (762, 37324), (868, 32766), (889, 31992), (903, 31496), (1016, 27993), (1032, 27559), (1204, 23622), (1302, 21844), (1333, 21336), (1524, 18662), (1736, 16383), (1778, 15996), (1806, 15748), (2408, 11811), (2604, 10922), (2666, 10668), (2667, 10664), (3048, 9331), (3556, 7998), (3612, 7874), (3937, 7224), (3999, 7112), (5208, 5461), (5332, 5334)]