638205792

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:881

約数の個数: 144

約数和(自身を含む): 1961088192

約数和(自身を除く): 1322882400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 211, 224, 294, 336, 392, 422, 588, 633, 643, 672, 784, 844, 1176, 1266, 1286, 1477, 1568, 1688, 1929, 2352, 2532, 2572, 2954, 3376, 3858, 4431, 4501, 4704, 5064, 5144, 5908, 6752, 7716, 8862, 9002, 10128, 10288, 10339, 11816, 13503, 15432, 17724, 18004, 20256, 20576, 20678, 23632, 27006, 30864, 31017, 31507, 35448, 36008, 41356, 47264, 54012, 61728, 62034, 63014, 70896, 72016, 82712, 94521, 108024, 124068, 126028, 135673, 141792, 144032, 165424, 189042, 216048, 248136, 252056, 271346, 330848, 378084, 407019, 432096, 496272, 504112, 542692, 756168, 814038, 949711, 992544, 1008224, 1085384, 1512336, 1628076, 1899422, 2170768, 2849133, 3024672, 3256152, 3798844, 4341536, 5698266, 6512304, 6647977, 7597688, 11396532, 13024608, 13295954, 15195376, 19943931, 22793064, 26591908, 30390752, 39887862, 45586128, 53183816, 79775724, 91172256, 106367632, 159551448, 212735264, 319102896, 638205792]

約数ペア:

[(1, 638205792), (2, 319102896), (3, 212735264), (4, 159551448), (6, 106367632), (7, 91172256), (8, 79775724), (12, 53183816), (14, 45586128), (16, 39887862), (21, 30390752), (24, 26591908), (28, 22793064), (32, 19943931), (42, 15195376), (48, 13295954), (49, 13024608), (56, 11396532), (84, 7597688), (96, 6647977), (98, 6512304), (112, 5698266), (147, 4341536), (168, 3798844), (196, 3256152), (211, 3024672), (224, 2849133), (294, 2170768), (336, 1899422), (392, 1628076), (422, 1512336), (588, 1085384), (633, 1008224), (643, 992544), (672, 949711), (784, 814038), (844, 756168), (1176, 542692), (1266, 504112), (1286, 496272), (1477, 432096), (1568, 407019), (1688, 378084), (1929, 330848), (2352, 271346), (2532, 252056), (2572, 248136), (2954, 216048), (3376, 189042), (3858, 165424), (4431, 144032), (4501, 141792), (4704, 135673), (5064, 126028), (5144, 124068), (5908, 108024), (6752, 94521), (7716, 82712), (8862, 72016), (9002, 70896), (10128, 63014), (10288, 62034), (10339, 61728), (11816, 54012), (13503, 47264), (15432, 41356), (17724, 36008), (18004, 35448), (20256, 31507), (20576, 31017), (20678, 30864), (23632, 27006)]