638233344

素因数分解:

$2^8\times 3^4\times 7^1\times {\mathrm{4397}}^1$

素因数の和:4432

約数の個数: 180

約数和(自身を含む): 2175461904

約数和(自身を除く): 1537228560

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, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 256, 288, 324, 336, 378, 384, 432, 448, 504, 567, 576, 648, 672, 756, 768, 864, 896, 1008, 1134, 1152, 1296, 1344, 1512, 1728, 1792, 2016, 2268, 2304, 2592, 2688, 3024, 3456, 4032, 4397, 4536, 5184, 5376, 6048, 6912, 8064, 8794, 9072, 10368, 12096, 13191, 16128, 17588, 18144, 20736, 24192, 26382, 30779, 35176, 36288, 39573, 48384, 52764, 61558, 70352, 72576, 79146, 92337, 105528, 118719, 123116, 140704, 145152, 158292, 184674, 211056, 237438, 246232, 277011, 281408, 316584, 356157, 369348, 422112, 474876, 492464, 554022, 562816, 633168, 712314, 738696, 831033, 844224, 949752, 984928, 1108044, 1125632, 1266336, 1424628, 1477392, 1662066, 1688448, 1899504, 1969856, 2216088, 2493099, 2532672, 2849256, 2954784, 3324132, 3376896, 3799008, 3939712, 4432176, 4986198, 5065344, 5698512, 5909568, 6648264, 7598016, 7879424, 8864352, 9972396, 10130688, 11397024, 11819136, 13296528, 15196032, 17728704, 19944792, 22794048, 23638272, 26593056, 30392064, 35457408, 39889584, 45588096, 53186112, 70914816, 79779168, 91176192, 106372224, 159558336, 212744448, 319116672, 638233344]

約数ペア:

[(1, 638233344), (2, 319116672), (3, 212744448), (4, 159558336), (6, 106372224), (7, 91176192), (8, 79779168), (9, 70914816), (12, 53186112), (14, 45588096), (16, 39889584), (18, 35457408), (21, 30392064), (24, 26593056), (27, 23638272), (28, 22794048), (32, 19944792), (36, 17728704), (42, 15196032), (48, 13296528), (54, 11819136), (56, 11397024), (63, 10130688), (64, 9972396), (72, 8864352), (81, 7879424), (84, 7598016), (96, 6648264), (108, 5909568), (112, 5698512), (126, 5065344), (128, 4986198), (144, 4432176), (162, 3939712), (168, 3799008), (189, 3376896), (192, 3324132), (216, 2954784), (224, 2849256), (252, 2532672), (256, 2493099), (288, 2216088), (324, 1969856), (336, 1899504), (378, 1688448), (384, 1662066), (432, 1477392), (448, 1424628), (504, 1266336), (567, 1125632), (576, 1108044), (648, 984928), (672, 949752), (756, 844224), (768, 831033), (864, 738696), (896, 712314), (1008, 633168), (1134, 562816), (1152, 554022), (1296, 492464), (1344, 474876), (1512, 422112), (1728, 369348), (1792, 356157), (2016, 316584), (2268, 281408), (2304, 277011), (2592, 246232), (2688, 237438), (3024, 211056), (3456, 184674), (4032, 158292), (4397, 145152), (4536, 140704), (5184, 123116), (5376, 118719), (6048, 105528), (6912, 92337), (8064, 79146), (8794, 72576), (9072, 70352), (10368, 61558), (12096, 52764), (13191, 48384), (16128, 39573), (17588, 36288), (18144, 35176), (20736, 30779), (24192, 26382)]