264920383

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 334236672

約数和(自身を除く): 69316289

約数列:

[1, 7, 13, 71, 91, 131, 313, 497, 917, 923, 1703, 2191, 4069, 6461, 9301, 11921, 22223, 28483, 41003, 65107, 120913, 155561, 287021, 288899, 533039, 846391, 2022293, 2911213, 3731273, 20378491, 37845769, 264920383]

約数ペア:

[(1, 264920383), (7, 37845769), (13, 20378491), (71, 3731273), (91, 2911213), (131, 2022293), (313, 846391), (497, 533039), (917, 288899), (923, 287021), (1703, 155561), (2191, 120913), (4069, 65107), (6461, 41003), (9301, 28483), (11921, 22223)]