28679882

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 56567808

約数和(自身を除く): 27887926

約数列:

[1, 2, 7, 11, 14, 22, 43, 61, 71, 77, 86, 122, 142, 154, 301, 427, 473, 497, 602, 671, 781, 854, 946, 994, 1342, 1562, 2623, 3053, 3311, 4331, 4697, 5246, 5467, 6106, 6622, 8662, 9394, 10934, 18361, 21371, 28853, 30317, 33583, 36722, 42742, 47641, 57706, 60634, 67166, 95282, 186233, 201971, 235081, 333487, 372466, 403942, 470162, 666974, 1303631, 2048563, 2607262, 4097126, 14339941, 28679882]

約数ペア:

[(1, 28679882), (2, 14339941), (7, 4097126), (11, 2607262), (14, 2048563), (22, 1303631), (43, 666974), (61, 470162), (71, 403942), (77, 372466), (86, 333487), (122, 235081), (142, 201971), (154, 186233), (301, 95282), (427, 67166), (473, 60634), (497, 57706), (602, 47641), (671, 42742), (781, 36722), (854, 33583), (946, 30317), (994, 28853), (1342, 21371), (1562, 18361), (2623, 10934), (3053, 9394), (3311, 8662), (4331, 6622), (4697, 6106), (5246, 5467)]