219224621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 283819008

約数和(自身を除く): 64594387

約数列:

[1, 7, 11, 43, 73, 77, 301, 473, 511, 803, 907, 3139, 3311, 5621, 6349, 9977, 21973, 34529, 39001, 66211, 69839, 241703, 273007, 429011, 463477, 728321, 2847073, 3003077, 5098247, 19929511, 31317803, 219224621]

約数ペア:

[(1, 219224621), (7, 31317803), (11, 19929511), (43, 5098247), (73, 3003077), (77, 2847073), (301, 728321), (473, 463477), (511, 429011), (803, 273007), (907, 241703), (3139, 69839), (3311, 66211), (5621, 39001), (6349, 34529), (9977, 21973)]