247156784

素因数分解:

$2^4\times 7^2\times {\mathrm{315251}}^1$

素因数の和:315273

約数の個数: 30

約数和(自身を含む): 557050284

約数和(自身を除く): 309893500

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 315251, 630502, 1261004, 2206757, 2522008, 4413514, 5044016, 8827028, 15447299, 17654056, 30894598, 35308112, 61789196, 123578392, 247156784]

約数ペア:

[(1, 247156784), (2, 123578392), (4, 61789196), (7, 35308112), (8, 30894598), (14, 17654056), (16, 15447299), (28, 8827028), (49, 5044016), (56, 4413514), (98, 2522008), (112, 2206757), (196, 1261004), (392, 630502), (784, 315251)]