218156939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4637}}^1$

素因数の和:4715

約数の個数: 32

約数和(自身を含む): 299206656

約数和(自身を除く): 81049717

約数列:

[1, 7, 11, 13, 47, 77, 91, 143, 329, 517, 611, 1001, 3619, 4277, 4637, 6721, 32459, 47047, 51007, 60281, 217939, 357049, 421967, 663091, 1525573, 2397329, 2833207, 4641637, 16781303, 19832449, 31165277, 218156939]

約数ペア:

[(1, 218156939), (7, 31165277), (11, 19832449), (13, 16781303), (47, 4641637), (77, 2833207), (91, 2397329), (143, 1525573), (329, 663091), (517, 421967), (611, 357049), (1001, 217939), (3619, 60281), (4277, 51007), (4637, 47047), (6721, 32459)]