28887264

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 216

約数和(自身を含む): 100835280

約数和(自身を除く): 71948016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 49, 56, 63, 69, 72, 84, 89, 92, 96, 98, 112, 126, 138, 144, 147, 161, 168, 178, 184, 196, 207, 224, 252, 267, 276, 288, 294, 322, 336, 356, 368, 392, 414, 441, 483, 504, 534, 552, 588, 623, 644, 672, 712, 736, 784, 801, 828, 882, 966, 1008, 1068, 1104, 1127, 1176, 1246, 1288, 1424, 1449, 1568, 1602, 1656, 1764, 1869, 1932, 2016, 2047, 2136, 2208, 2254, 2352, 2492, 2576, 2848, 2898, 3204, 3312, 3381, 3528, 3738, 3864, 4094, 4272, 4361, 4508, 4704, 4984, 5152, 5607, 5796, 6141, 6408, 6624, 6762, 7056, 7476, 7728, 8188, 8544, 8722, 9016, 9968, 10143, 11214, 11592, 12282, 12816, 13083, 13524, 14112, 14329, 14952, 15456, 16376, 17444, 18032, 18423, 19936, 20286, 22428, 23184, 24564, 25632, 26166, 27048, 28658, 29904, 32752, 34888, 36064, 36846, 39249, 40572, 42987, 44856, 46368, 49128, 52332, 54096, 57316, 59808, 65504, 69776, 73692, 78498, 81144, 85974, 89712, 98256, 100303, 104664, 108192, 114632, 128961, 139552, 147384, 156996, 162288, 171948, 179424, 196512, 200606, 209328, 229264, 257922, 294768, 300909, 313992, 324576, 343896, 401212, 418656, 458528, 515844, 589536, 601818, 627984, 687792, 802424, 902727, 1031688, 1203636, 1255968, 1375584, 1604848, 1805454, 2063376, 2407272, 3209696, 3610908, 4126752, 4814544, 7221816, 9629088, 14443632, 28887264]

約数ペア:

[(1, 28887264), (2, 14443632), (3, 9629088), (4, 7221816), (6, 4814544), (7, 4126752), (8, 3610908), (9, 3209696), (12, 2407272), (14, 2063376), (16, 1805454), (18, 1604848), (21, 1375584), (23, 1255968), (24, 1203636), (28, 1031688), (32, 902727), (36, 802424), (42, 687792), (46, 627984), (48, 601818), (49, 589536), (56, 515844), (63, 458528), (69, 418656), (72, 401212), (84, 343896), (89, 324576), (92, 313992), (96, 300909), (98, 294768), (112, 257922), (126, 229264), (138, 209328), (144, 200606), (147, 196512), (161, 179424), (168, 171948), (178, 162288), (184, 156996), (196, 147384), (207, 139552), (224, 128961), (252, 114632), (267, 108192), (276, 104664), (288, 100303), (294, 98256), (322, 89712), (336, 85974), (356, 81144), (368, 78498), (392, 73692), (414, 69776), (441, 65504), (483, 59808), (504, 57316), (534, 54096), (552, 52332), (588, 49128), (623, 46368), (644, 44856), (672, 42987), (712, 40572), (736, 39249), (784, 36846), (801, 36064), (828, 34888), (882, 32752), (966, 29904), (1008, 28658), (1068, 27048), (1104, 26166), (1127, 25632), (1176, 24564), (1246, 23184), (1288, 22428), (1424, 20286), (1449, 19936), (1568, 18423), (1602, 18032), (1656, 17444), (1764, 16376), (1869, 15456), (1932, 14952), (2016, 14329), (2047, 14112), (2136, 13524), (2208, 13083), (2254, 12816), (2352, 12282), (2492, 11592), (2576, 11214), (2848, 10143), (2898, 9968), (3204, 9016), (3312, 8722), (3381, 8544), (3528, 8188), (3738, 7728), (3864, 7476), (4094, 7056), (4272, 6762), (4361, 6624), (4508, 6408), (4704, 6141), (4984, 5796), (5152, 5607)]