256254236

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{443}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 522541824

約数和(自身を除く): 266287588

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 283, 292, 443, 511, 566, 886, 1022, 1132, 1772, 1981, 2044, 3101, 3962, 6202, 7924, 12404, 20659, 32339, 41318, 64678, 82636, 125369, 129356, 144613, 226373, 250738, 289226, 452746, 501476, 578452, 877583, 905492, 1755166, 3510332, 9151937, 18303874, 36607748, 64063559, 128127118, 256254236]

約数ペア:

[(1, 256254236), (2, 128127118), (4, 64063559), (7, 36607748), (14, 18303874), (28, 9151937), (73, 3510332), (146, 1755166), (283, 905492), (292, 877583), (443, 578452), (511, 501476), (566, 452746), (886, 289226), (1022, 250738), (1132, 226373), (1772, 144613), (1981, 129356), (2044, 125369), (3101, 82636), (3962, 64678), (6202, 41318), (7924, 32339), (12404, 20659)]