28206948

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 84702240

約数和(自身を除く): 56495292

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 89, 98, 132, 147, 154, 178, 196, 231, 267, 294, 308, 343, 356, 462, 534, 539, 588, 623, 686, 924, 979, 1029, 1068, 1078, 1246, 1372, 1617, 1869, 1958, 2058, 2156, 2401, 2492, 2937, 3234, 3738, 3773, 3916, 4116, 4361, 4802, 5874, 6468, 6853, 7203, 7476, 7546, 8722, 9604, 11319, 11748, 13083, 13706, 14406, 15092, 17444, 20559, 22638, 26166, 26411, 27412, 28812, 30527, 41118, 45276, 47971, 52332, 52822, 61054, 79233, 82236, 91581, 95942, 105644, 122108, 143913, 158466, 183162, 191884, 213689, 287826, 316932, 335797, 366324, 427378, 575652, 641067, 671594, 854756, 1007391, 1282134, 1343188, 2014782, 2350579, 2564268, 4029564, 4701158, 7051737, 9402316, 14103474, 28206948]

約数ペア:

[(1, 28206948), (2, 14103474), (3, 9402316), (4, 7051737), (6, 4701158), (7, 4029564), (11, 2564268), (12, 2350579), (14, 2014782), (21, 1343188), (22, 1282134), (28, 1007391), (33, 854756), (42, 671594), (44, 641067), (49, 575652), (66, 427378), (77, 366324), (84, 335797), (89, 316932), (98, 287826), (132, 213689), (147, 191884), (154, 183162), (178, 158466), (196, 143913), (231, 122108), (267, 105644), (294, 95942), (308, 91581), (343, 82236), (356, 79233), (462, 61054), (534, 52822), (539, 52332), (588, 47971), (623, 45276), (686, 41118), (924, 30527), (979, 28812), (1029, 27412), (1068, 26411), (1078, 26166), (1246, 22638), (1372, 20559), (1617, 17444), (1869, 15092), (1958, 14406), (2058, 13706), (2156, 13083), (2401, 11748), (2492, 11319), (2937, 9604), (3234, 8722), (3738, 7546), (3773, 7476), (3916, 7203), (4116, 6853), (4361, 6468), (4802, 5874)]