257997544

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{6151}}^1$

素因数の和:6278

約数の個数: 48

約数和(自身を含む): 568075680

約数和(自身を除く): 310078136

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 749, 856, 1498, 2996, 5243, 5992, 6151, 10486, 12302, 20972, 24604, 41944, 43057, 49208, 86114, 172228, 301399, 344456, 602798, 658157, 1205596, 1316314, 2411192, 2632628, 4607099, 5265256, 9214198, 18428396, 32249693, 36856792, 64499386, 128998772, 257997544]

約数ペア:

[(1, 257997544), (2, 128998772), (4, 64499386), (7, 36856792), (8, 32249693), (14, 18428396), (28, 9214198), (49, 5265256), (56, 4607099), (98, 2632628), (107, 2411192), (196, 1316314), (214, 1205596), (392, 658157), (428, 602798), (749, 344456), (856, 301399), (1498, 172228), (2996, 86114), (5243, 49208), (5992, 43057), (6151, 41944), (10486, 24604), (12302, 20972)]