28401408

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{587}}^1$

素因数の和:619

約数の個数: 144

約数和(自身を含む): 96149760

約数和(自身を除く): 67748352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 576, 587, 672, 756, 768, 864, 896, 1008, 1152, 1174, 1344, 1512, 1728, 1761, 1792, 2016, 2304, 2348, 2688, 3024, 3456, 3522, 4032, 4109, 4696, 5283, 5376, 6048, 6912, 7044, 8064, 8218, 9392, 10566, 12096, 12327, 14088, 15849, 16128, 16436, 18784, 21132, 24192, 24654, 28176, 31698, 32872, 36981, 37568, 42264, 48384, 49308, 56352, 63396, 65744, 73962, 75136, 84528, 98616, 110943, 112704, 126792, 131488, 147924, 150272, 169056, 197232, 221886, 225408, 253584, 262976, 295848, 338112, 394464, 443772, 450816, 507168, 525952, 591696, 676224, 788928, 887544, 1014336, 1051904, 1183392, 1352448, 1577856, 1775088, 2028672, 2366784, 3155712, 3550176, 4057344, 4733568, 7100352, 9467136, 14200704, 28401408]

約数ペア:

[(1, 28401408), (2, 14200704), (3, 9467136), (4, 7100352), (6, 4733568), (7, 4057344), (8, 3550176), (9, 3155712), (12, 2366784), (14, 2028672), (16, 1775088), (18, 1577856), (21, 1352448), (24, 1183392), (27, 1051904), (28, 1014336), (32, 887544), (36, 788928), (42, 676224), (48, 591696), (54, 525952), (56, 507168), (63, 450816), (64, 443772), (72, 394464), (84, 338112), (96, 295848), (108, 262976), (112, 253584), (126, 225408), (128, 221886), (144, 197232), (168, 169056), (189, 150272), (192, 147924), (216, 131488), (224, 126792), (252, 112704), (256, 110943), (288, 98616), (336, 84528), (378, 75136), (384, 73962), (432, 65744), (448, 63396), (504, 56352), (576, 49308), (587, 48384), (672, 42264), (756, 37568), (768, 36981), (864, 32872), (896, 31698), (1008, 28176), (1152, 24654), (1174, 24192), (1344, 21132), (1512, 18784), (1728, 16436), (1761, 16128), (1792, 15849), (2016, 14088), (2304, 12327), (2348, 12096), (2688, 10566), (3024, 9392), (3456, 8218), (3522, 8064), (4032, 7044), (4109, 6912), (4696, 6048), (5283, 5376)]