857487652

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{20161}}^1$

素因数の和:20217

約数の個数: 48

約数和(自身を含む): 1806515200

約数和(自身を除く): 949027548

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 434, 686, 868, 1372, 1519, 3038, 6076, 10633, 20161, 21266, 40322, 42532, 80644, 141127, 282254, 564508, 624991, 987889, 1249982, 1975778, 2499964, 3951556, 4374937, 6915223, 8749874, 13830446, 17499748, 27660892, 30624559, 61249118, 122498236, 214371913, 428743826, 857487652]

約数ペア:

[(1, 857487652), (2, 428743826), (4, 214371913), (7, 122498236), (14, 61249118), (28, 30624559), (31, 27660892), (49, 17499748), (62, 13830446), (98, 8749874), (124, 6915223), (196, 4374937), (217, 3951556), (343, 2499964), (434, 1975778), (686, 1249982), (868, 987889), (1372, 624991), (1519, 564508), (3038, 282254), (6076, 141127), (10633, 80644), (20161, 42532), (21266, 40322)]