2068081799

素因数分解:

$7^3\times {\mathrm{647}}^1\times {\mathrm{9319}}^1$

素因数の和:9987

約数の個数: 16

約数和(自身を含む): 2415744000

約数和(自身を除く): 347662201

約数列:

[1, 7, 49, 343, 647, 4529, 9319, 31703, 65233, 221921, 456631, 3196417, 6029393, 42205751, 295440257, 2068081799]

約数ペア:

[(1, 2068081799), (7, 295440257), (49, 42205751), (343, 6029393), (647, 3196417), (4529, 456631), (9319, 221921), (31703, 65233)]