28297728

素因数分解:

$2^9\times 3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 88387200

約数和(自身を除く): 60089472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 89, 92, 96, 108, 128, 138, 144, 178, 184, 192, 207, 216, 256, 267, 276, 288, 356, 368, 384, 414, 432, 512, 534, 552, 576, 621, 712, 736, 768, 801, 828, 864, 1068, 1104, 1152, 1242, 1424, 1472, 1536, 1602, 1656, 1728, 2047, 2136, 2208, 2304, 2403, 2484, 2848, 2944, 3204, 3312, 3456, 4094, 4272, 4416, 4608, 4806, 4968, 5696, 5888, 6141, 6408, 6624, 6912, 8188, 8544, 8832, 9612, 9936, 11392, 11776, 12282, 12816, 13248, 13824, 16376, 17088, 17664, 18423, 19224, 19872, 22784, 24564, 25632, 26496, 32752, 34176, 35328, 36846, 38448, 39744, 45568, 49128, 51264, 52992, 55269, 65504, 68352, 73692, 76896, 79488, 98256, 102528, 105984, 110538, 131008, 136704, 147384, 153792, 158976, 196512, 205056, 221076, 262016, 294768, 307584, 317952, 393024, 410112, 442152, 524032, 589536, 615168, 786048, 884304, 1048064, 1179072, 1230336, 1572096, 1768608, 2358144, 3144192, 3537216, 4716288, 7074432, 9432576, 14148864, 28297728]

約数ペア:

[(1, 28297728), (2, 14148864), (3, 9432576), (4, 7074432), (6, 4716288), (8, 3537216), (9, 3144192), (12, 2358144), (16, 1768608), (18, 1572096), (23, 1230336), (24, 1179072), (27, 1048064), (32, 884304), (36, 786048), (46, 615168), (48, 589536), (54, 524032), (64, 442152), (69, 410112), (72, 393024), (89, 317952), (92, 307584), (96, 294768), (108, 262016), (128, 221076), (138, 205056), (144, 196512), (178, 158976), (184, 153792), (192, 147384), (207, 136704), (216, 131008), (256, 110538), (267, 105984), (276, 102528), (288, 98256), (356, 79488), (368, 76896), (384, 73692), (414, 68352), (432, 65504), (512, 55269), (534, 52992), (552, 51264), (576, 49128), (621, 45568), (712, 39744), (736, 38448), (768, 36846), (801, 35328), (828, 34176), (864, 32752), (1068, 26496), (1104, 25632), (1152, 24564), (1242, 22784), (1424, 19872), (1472, 19224), (1536, 18423), (1602, 17664), (1656, 17088), (1728, 16376), (2047, 13824), (2136, 13248), (2208, 12816), (2304, 12282), (2403, 11776), (2484, 11392), (2848, 9936), (2944, 9612), (3204, 8832), (3312, 8544), (3456, 8188), (4094, 6912), (4272, 6624), (4416, 6408), (4608, 6141), (4806, 5888), (4968, 5696)]