639968494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{2027}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 1065332736

約数和(自身を除く): 425364242

約数列:

[1, 2, 11, 22, 113, 127, 226, 254, 1243, 1397, 2027, 2486, 2794, 4054, 14351, 22297, 28702, 44594, 157861, 229051, 257429, 315722, 458102, 514858, 2519561, 2831719, 5039122, 5663438, 29089477, 58178954, 319984247, 639968494]

約数ペア:

[(1, 639968494), (2, 319984247), (11, 58178954), (22, 29089477), (113, 5663438), (127, 5039122), (226, 2831719), (254, 2519561), (1243, 514858), (1397, 458102), (2027, 315722), (2486, 257429), (2794, 229051), (4054, 157861), (14351, 44594), (22297, 28702)]