2654455321

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1579}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 3209953280

約数和(自身を除く): 555497959

約数列:

[1, 7, 31, 61, 127, 217, 427, 889, 1579, 1891, 3937, 7747, 11053, 13237, 27559, 48949, 54229, 96319, 200533, 240157, 342643, 674233, 1403731, 1681099, 2985889, 6216523, 12232513, 20901223, 43515661, 85627591, 379207903, 2654455321]

約数ペア:

[(1, 2654455321), (7, 379207903), (31, 85627591), (61, 43515661), (127, 20901223), (217, 12232513), (427, 6216523), (889, 2985889), (1579, 1681099), (1891, 1403731), (3937, 674233), (7747, 342643), (11053, 240157), (13237, 200533), (27559, 96319), (48949, 54229)]