393939007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 505036800

約数和(自身を除く): 111097793

約数列:

[1, 7, 11, 47, 77, 199, 329, 517, 547, 1393, 2189, 3619, 3829, 6017, 9353, 15323, 25709, 42119, 65471, 102883, 108853, 179963, 282799, 720181, 761971, 1197383, 1979593, 5116091, 8381681, 35812637, 56277001, 393939007]

約数ペア:

[(1, 393939007), (7, 56277001), (11, 35812637), (47, 8381681), (77, 5116091), (199, 1979593), (329, 1197383), (517, 761971), (547, 720181), (1393, 282799), (2189, 179963), (3619, 108853), (3829, 102883), (6017, 65471), (9353, 42119), (15323, 25709)]