261339568

素因数分解:

$2^4\times 7^1\times {\mathrm{2333389}}^1$

素因数の和:2333404

約数の個数: 20

約数和(自身を含む): 578680720

約数和(自身を除く): 317341152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2333389, 4666778, 9333556, 16333723, 18667112, 32667446, 37334224, 65334892, 130669784, 261339568]

約数ペア:

[(1, 261339568), (2, 130669784), (4, 65334892), (7, 37334224), (8, 32667446), (14, 18667112), (16, 16333723), (28, 9333556), (56, 4666778), (112, 2333389)]