1280291264

素因数分解:

$2^6\times 7^1\times {\mathrm{443}}^1\times {\mathrm{6451}}^1$

素因数の和:6913

約数の個数: 56

約数和(自身を含む): 2910523008

約数和(自身を除く): 1630231744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 443, 448, 886, 1772, 3101, 3544, 6202, 6451, 7088, 12404, 12902, 14176, 24808, 25804, 28352, 45157, 49616, 51608, 90314, 99232, 103216, 180628, 198464, 206432, 361256, 412864, 722512, 1445024, 2857793, 2890048, 5715586, 11431172, 20004551, 22862344, 40009102, 45724688, 80018204, 91449376, 160036408, 182898752, 320072816, 640145632, 1280291264]

約数ペア:

[(1, 1280291264), (2, 640145632), (4, 320072816), (7, 182898752), (8, 160036408), (14, 91449376), (16, 80018204), (28, 45724688), (32, 40009102), (56, 22862344), (64, 20004551), (112, 11431172), (224, 5715586), (443, 2890048), (448, 2857793), (886, 1445024), (1772, 722512), (3101, 412864), (3544, 361256), (6202, 206432), (6451, 198464), (7088, 180628), (12404, 103216), (12902, 99232), (14176, 90314), (24808, 51608), (25804, 49616), (28352, 45157)]