28169568

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:269

約数の個数: 144

約数和(自身を含む): 93169440

約数和(自身を除く): 64999872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 89, 96, 112, 126, 144, 157, 168, 178, 224, 252, 267, 288, 314, 336, 356, 471, 504, 534, 623, 628, 672, 712, 801, 942, 1008, 1068, 1099, 1246, 1256, 1413, 1424, 1602, 1869, 1884, 2016, 2136, 2198, 2492, 2512, 2826, 2848, 3204, 3297, 3738, 3768, 4272, 4396, 4984, 5024, 5607, 5652, 6408, 6594, 7476, 7536, 8544, 8792, 9891, 9968, 11214, 11304, 12816, 13188, 13973, 14952, 15072, 17584, 19782, 19936, 22428, 22608, 25632, 26376, 27946, 29904, 35168, 39564, 41919, 44856, 45216, 52752, 55892, 59808, 79128, 83838, 89712, 97811, 105504, 111784, 125757, 158256, 167676, 179424, 195622, 223568, 251514, 293433, 316512, 335352, 391244, 447136, 503028, 586866, 670704, 782488, 880299, 1006056, 1173732, 1341408, 1564976, 1760598, 2012112, 2347464, 3129952, 3521196, 4024224, 4694928, 7042392, 9389856, 14084784, 28169568]

約数ペア:

[(1, 28169568), (2, 14084784), (3, 9389856), (4, 7042392), (6, 4694928), (7, 4024224), (8, 3521196), (9, 3129952), (12, 2347464), (14, 2012112), (16, 1760598), (18, 1564976), (21, 1341408), (24, 1173732), (28, 1006056), (32, 880299), (36, 782488), (42, 670704), (48, 586866), (56, 503028), (63, 447136), (72, 391244), (84, 335352), (89, 316512), (96, 293433), (112, 251514), (126, 223568), (144, 195622), (157, 179424), (168, 167676), (178, 158256), (224, 125757), (252, 111784), (267, 105504), (288, 97811), (314, 89712), (336, 83838), (356, 79128), (471, 59808), (504, 55892), (534, 52752), (623, 45216), (628, 44856), (672, 41919), (712, 39564), (801, 35168), (942, 29904), (1008, 27946), (1068, 26376), (1099, 25632), (1246, 22608), (1256, 22428), (1413, 19936), (1424, 19782), (1602, 17584), (1869, 15072), (1884, 14952), (2016, 13973), (2136, 13188), (2198, 12816), (2492, 11304), (2512, 11214), (2826, 9968), (2848, 9891), (3204, 8792), (3297, 8544), (3738, 7536), (3768, 7476), (4272, 6594), (4396, 6408), (4984, 5652), (5024, 5607)]