209434904

素因数分解:

$2^3\times 7^1\times {\mathrm{3739909}}^1$

素因数の和:3739922

約数の個数: 16

約数和(自身を含む): 448789200

約数和(自身を除く): 239354296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3739909, 7479818, 14959636, 26179363, 29919272, 52358726, 104717452, 209434904]

約数ペア:

[(1, 209434904), (2, 104717452), (4, 52358726), (7, 29919272), (8, 26179363), (14, 14959636), (28, 7479818), (56, 3739909)]