28237248

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:456

約数の個数: 140

約数和(自身を含む): 90357960

約数和(自身を除く): 62120712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 416, 419, 432, 468, 576, 624, 648, 702, 832, 838, 864, 936, 1053, 1248, 1257, 1296, 1404, 1676, 1728, 1872, 2106, 2496, 2514, 2592, 2808, 3352, 3744, 3771, 4212, 5028, 5184, 5447, 5616, 6704, 7488, 7542, 8424, 10056, 10894, 11232, 11313, 13408, 15084, 16341, 16848, 20112, 21788, 22464, 22626, 26816, 30168, 32682, 33696, 33939, 40224, 43576, 45252, 49023, 60336, 65364, 67392, 67878, 80448, 87152, 90504, 98046, 120672, 130728, 135756, 147069, 174304, 181008, 196092, 241344, 261456, 271512, 294138, 348608, 362016, 392184, 441207, 522912, 543024, 588276, 724032, 784368, 882414, 1045824, 1086048, 1176552, 1568736, 1764828, 2172096, 2353104, 3137472, 3529656, 4706208, 7059312, 9412416, 14118624, 28237248]

約数ペア:

[(1, 28237248), (2, 14118624), (3, 9412416), (4, 7059312), (6, 4706208), (8, 3529656), (9, 3137472), (12, 2353104), (13, 2172096), (16, 1764828), (18, 1568736), (24, 1176552), (26, 1086048), (27, 1045824), (32, 882414), (36, 784368), (39, 724032), (48, 588276), (52, 543024), (54, 522912), (64, 441207), (72, 392184), (78, 362016), (81, 348608), (96, 294138), (104, 271512), (108, 261456), (117, 241344), (144, 196092), (156, 181008), (162, 174304), (192, 147069), (208, 135756), (216, 130728), (234, 120672), (288, 98046), (312, 90504), (324, 87152), (351, 80448), (416, 67878), (419, 67392), (432, 65364), (468, 60336), (576, 49023), (624, 45252), (648, 43576), (702, 40224), (832, 33939), (838, 33696), (864, 32682), (936, 30168), (1053, 26816), (1248, 22626), (1257, 22464), (1296, 21788), (1404, 20112), (1676, 16848), (1728, 16341), (1872, 15084), (2106, 13408), (2496, 11313), (2514, 11232), (2592, 10894), (2808, 10056), (3352, 8424), (3744, 7542), (3771, 7488), (4212, 6704), (5028, 5616), (5184, 5447)]