639166319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 734241024

約数和(自身を除く): 95074705

約数列:

[1, 11, 43, 73, 107, 173, 473, 803, 1177, 1903, 3139, 4601, 7439, 7811, 12629, 18511, 34529, 50611, 81829, 85921, 138919, 203621, 335873, 543047, 795973, 1351303, 3694603, 5973517, 8755703, 14864333, 58106029, 639166319]

約数ペア:

[(1, 639166319), (11, 58106029), (43, 14864333), (73, 8755703), (107, 5973517), (173, 3694603), (473, 1351303), (803, 795973), (1177, 543047), (1903, 335873), (3139, 203621), (4601, 138919), (7439, 85921), (7811, 81829), (12629, 50611), (18511, 34529)]