247078552

素因数分解:

$2^3\times 7^1\times {\mathrm{571}}^1\times {\mathrm{7727}}^1$

素因数の和:8311

約数の個数: 32

約数和(自身を含む): 530449920

約数和(自身を除く): 283371368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 571, 1142, 2284, 3997, 4568, 7727, 7994, 15454, 15988, 30908, 31976, 54089, 61816, 108178, 216356, 432712, 4412117, 8824234, 17648468, 30884819, 35296936, 61769638, 123539276, 247078552]

約数ペア:

[(1, 247078552), (2, 123539276), (4, 61769638), (7, 35296936), (8, 30884819), (14, 17648468), (28, 8824234), (56, 4412117), (571, 432712), (1142, 216356), (2284, 108178), (3997, 61816), (4568, 54089), (7727, 31976), (7994, 30908), (15454, 15988)]