257936

素因数分解:

$2^4\times 7^3\times {\mathrm{47}}^1$

素因数の和:76

約数の個数: 40

約数和(自身を含む): 595200

約数和(自身を除く): 337264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 343, 376, 392, 658, 686, 752, 784, 1316, 1372, 2303, 2632, 2744, 4606, 5264, 5488, 9212, 16121, 18424, 32242, 36848, 64484, 128968, 257936]

約数ペア:

[(1, 257936), (2, 128968), (4, 64484), (7, 36848), (8, 32242), (14, 18424), (16, 16121), (28, 9212), (47, 5488), (49, 5264), (56, 4606), (94, 2744), (98, 2632), (112, 2303), (188, 1372), (196, 1316), (329, 784), (343, 752), (376, 686), (392, 658)]