209777456

素因数分解:

$2^4\times 7^1\times {\mathrm{1873013}}^1$

素因数の和:1873028

約数の個数: 20

約数和(自身を含む): 464507472

約数和(自身を除く): 254730016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1873013, 3746026, 7492052, 13111091, 14984104, 26222182, 29968208, 52444364, 104888728, 209777456]

約数ペア:

[(1, 209777456), (2, 104888728), (4, 52444364), (7, 29968208), (8, 26222182), (14, 14984104), (16, 13111091), (28, 7492052), (56, 3746026), (112, 1873013)]