207864853

素因数分解:

$7^1\times {\mathrm{37}}^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 247632000

約数和(自身を除く): 39767147

約数列:

[1, 7, 37, 109, 199, 259, 763, 1369, 1393, 4033, 7363, 9583, 21691, 28231, 51541, 149221, 151837, 272431, 802567, 1044547, 1907017, 5617969, 29694979, 207864853]

約数ペア:

[(1, 207864853), (7, 29694979), (37, 5617969), (109, 1907017), (199, 1044547), (259, 802567), (763, 272431), (1369, 151837), (1393, 149221), (4033, 51541), (7363, 28231), (9583, 21691)]